# Seiten - [Youtube Videos](https://www.jan-siefken.com/youtube-videos/) - Published: 2025-07-12 - Modified: 2025-07-12 - URL: https://www.jan-siefken.com/youtube-videos/ - Description: Moin! Jans YouTube-Kanal aus Hamburg: Unterhaltung, Infos & Inspiration. Abonniere, finde deine Clips, like & hilf, neue Inhalte zu formen! - [SEO Hamburg: Medien, Wirtschaft & Dein Erfolg](https://www.jan-siefken.com/seo-hamburg/) - Published: 2025-07-12 - Modified: 2025-07-12 - URL: https://www.jan-siefken.com/seo-hamburg/ - Description: SEO Hamburg: Hamburg ist ein Top-Medien- und Wirtschaftsstandort. Hier zeige ich dir, warum Suchmaschinenoptimierung unverzichtbar ist. - [Über Jan Siefken: 25+ Jahre SEO Erfahrung](https://www.jan-siefken.com/ueber-mich/) - Published: 2025-07-12 - Modified: 2025-07-12 - URL: https://www.jan-siefken.com/ueber-mich/ - Description: Jan Siefken, SEO-Experte aus Hamburg. Ich optimiere seit 1998 Webseiten für Suchmaschinen und verhelfe Dir zu mehr Sichtbarkeit. - [Computer, Internet, SEO & Software – alles außer langweilig!](https://www.jan-siefken.com/) - Published: 2025-07-11 - Modified: 2025-07-17 - URL: https://www.jan-siefken.com/ - Description: Jans Blog: Neueste Computer- und Internet-News, Tipps zur Optimierung der Online-Präsenz, immer auf dem neusten Stand der Technik. - [Software](https://www.jan-siefken.com/software/) - Published: 2009-04-16 - Modified: 2025-07-11 - URL: https://www.jan-siefken.com/software/ # Beiträge - [llms.txt Generator für WordPress kostenlos](https://www.jan-siefken.com/llms-generator/) - Published: 2025-07-15 - Modified: 2025-07-16 - URL: https://www.jan-siefken.com/llms-generator/ - Description: llms.txt Generator für WordPress - gratis WordPress-Plugin, llms.txt automatisch erstellen. Ideal für GEO - Generative Engine Optimization. - [Neue Amazon Visa Karte von Santander/Zinia – alle Infos](https://www.jan-siefken.com/amazon-visa-karte/) - Published: 2025-07-15 - Modified: 2025-07-15 - URL: https://www.jan-siefken.com/amazon-visa-karte/ - Description: Die neue Amazon Visa Karte: Gebührenfrei, Bonuspunkte & flexible Zahlungen. Keine Jahresgebühr – ideal für alle Amazon Nutzer. Jetzt informieren! - [Generative Engine Optimization: GEO-Strategien für KI](https://www.jan-siefken.com/generative-engine-optimization/) - Published: 2025-06-26 - Modified: 2025-07-08 - URL: https://www.jan-siefken.com/generative-engine-optimization/ - Description: Generative Engine Optimization (GEO) erklärt: Techniken, Datenstrukturen und llms.txt, um Inhalte für ChatGPT, Gemini & Co. KI-tauglich aufzubereiten. - [Die ultimativen SEO-Tipps für 2025](https://www.jan-siefken.com/die-ultimativen-seo-tipps/) - Published: 2025-05-15 - Modified: 2025-07-07 - URL: https://www.jan-siefken.com/die-ultimativen-seo-tipps/ - Description: Suchmaschinenoptimierung leicht gemacht: Mit diesen SEO-Tipps durchstarten! So steuern Sie Ihre Website direkt auf Seite 1 der Suchmaschinen. - [SEO Glossar: Über 180 Begriffe und Definitionen](https://www.jan-siefken.com/seo-glossar/) - Published: 2025-05-15 - Modified: 2025-05-17 - URL: https://www.jan-siefken.com/seo-glossar/ - Description: SEO Glossar: Das unverzichtbare Nachschlagewerk für Suchmaschinenoptimierung. Lernen Sie die wichtigsten SEO-Begriffe kennen. - [JBL Tune Beam Test: Klang, ANC & App im Praxis-Check!](https://www.jan-siefken.com/jbl-tune-beam-test/) - Published: 2025-05-06 - Modified: 2025-05-06 - URL: https://www.jan-siefken.com/jbl-tune-beam-test/ - Description: JBL Tune Beam im ausführlichen Test: Klangqualität, Akkulaufzeit, ANC und Personalisierung mit JBL-App. - [Kleines BWL Lexikon](https://www.jan-siefken.com/bwl-lexikon/) - Published: 2025-04-16 - Modified: 2025-07-12 - URL: https://www.jan-siefken.com/bwl-lexikon/ - Description: Das kleine BWL Lexikon bietet prägnante Definitionen zu den wichtigsten Begriffen der Betriebswirtschaftslehre. Online über BWL informieren. - [Baumarkt-Mythen: Was stimmt wirklich?](https://www.jan-siefken.com/baumarkt-mythen-was-stimmt-wirklich/) - Published: 2025-04-16 - Modified: 2025-04-16 - URL: https://www.jan-siefken.com/baumarkt-mythen-was-stimmt-wirklich/ - Description: Welche Baumarkt-Mythen stimmen – und welche nicht? Von teurem Werkzeug bis Sonderangeboten: Lies jetzt, worauf Du wirklich achten solltest. - [DSL Speedtest – Geschwindigkeit Internet testen](https://www.jan-siefken.com/dsl-speedtest/) - Published: 2025-04-15 - Modified: 2025-04-16 - URL: https://www.jan-siefken.com/dsl-speedtest/ - Description: Finden Sie mit dem DSL Speedtest heraus, wie schnell Ihre Internetverbindung ist. Erhalten Sie Ergebnisse über schnelles oder langsames Internet. - [Windows 11 Kamera funktioniert nicht? Tipps zur Lösung](https://www.jan-siefken.com/kamera-funktioniert-nicht-unter-windows-11/) - Published: 2025-03-20 - Modified: 2025-03-20 - URL: https://www.jan-siefken.com/kamera-funktioniert-nicht-unter-windows-11/ - Description: Probleme mit der Kamera unter Windows 11? Hier finden Sie einfache Schritte zur Fehlerbehebung um sie wieder zum Laufen zu bringen. - [Die Wirkung von Chili auf die Gesundheit](https://www.jan-siefken.com/chili-gesundheit/) - Published: 2025-03-01 - Modified: 2025-03-01 - URL: https://www.jan-siefken.com/chili-gesundheit/ - Description: Chili: Ein feuriger Boost für deine Gesundheit. Erfahre mehr über Chili und die positiven Wirkungen von Capsicum. Jetzt informieren. - [Hunderassen: Welche passt zu dir?](https://www.jan-siefken.com/hunderassen-welche-passt-zu-dir/) - Published: 2024-10-10 - Modified: 2024-10-10 - URL: https://www.jan-siefken.com/hunderassen-welche-passt-zu-dir/ - Description: Welche Hunderasse passt zu dir? Tipps zu Charakter, Pflegeaufwand und Eignung. Erfahre mehr über Familienhunde, aktive Rassen und Anfängerhunde. - [Encebollado – Ecuadors beliebte Fischsuppe](https://www.jan-siefken.com/encebollado-ecuadors-beliebte-fischsuppe/) - Published: 2024-09-26 - Modified: 2025-07-17 - URL: https://www.jan-siefken.com/encebollado-ecuadors-beliebte-fischsuppe/ - Description: Encebollado: Ecuadors beliebte Fischsuppe. Entdecke dieses herzhafte Nationalgericht, seine Zutaten und warum es ein beliebtes Frühstück ist. - [Barrierefreiheit im Internet: Chancen & Herausforderungen](https://www.jan-siefken.com/barrierefreiheit-im-internet/) - Published: 2024-06-11 - Modified: 2024-06-12 - URL: https://www.jan-siefken.com/barrierefreiheit-im-internet/ - Description: Barrierefreiheit im Internet: Im Juni 2025 tritt das Barrierefreiheitsstärkungsgesetz (BFSG) in Kraft. Erfahre mehr über Chancen & Herausforderungen. - [Shopware Ladezeit optimieren – PageSpeed verbessern](https://www.jan-siefken.com/shopware-ladezeit-optimieren/) - Published: 2024-04-10 - Modified: 2024-04-11 - URL: https://www.jan-siefken.com/shopware-ladezeit-optimieren/ - Description: Optimieren Sie die Ladezeit Ihres Shopware-Shops mit den Tipps zur PageSpeed Optimierung. Verbessern Sie die Geschwindigkeit Ihres Shopware Shops. - [Kaufabbrüche im Onlineshop reduzieren](https://www.jan-siefken.com/kaufabbrueche-im-onlineshop-reduzieren/) - Published: 2024-04-10 - Modified: 2024-04-11 - URL: https://www.jan-siefken.com/kaufabbrueche-im-onlineshop-reduzieren/ - Description: Optimieren Sie Ihren Onlineshop mit unserer Checkout Optimierung - weniger Kaufabbrüche, mehr Umsatz. Günstige Analyse anfordern. - [Google Gemini scheitert an einfacher Rechenaufgabe](https://www.jan-siefken.com/google-gemini-scheitert-an-einfacher-rechenaufgabe/) - Published: 2024-03-01 - Modified: 2024-03-01 - URL: https://www.jan-siefken.com/google-gemini-scheitert-an-einfacher-rechenaufgabe/ - Description: Google Gemini Ultra: Selbst einfache Rechenaufgaben können trotz der versprochenen hohen Leistungsfähigkeit zu falschen Antworten führen. - [MARSHALL MINOR III In-Ear Bluetooth Kopfhörer](https://www.jan-siefken.com/marshall-minor-iii-in-ear-bluetooth-kopfhoerer/) - Published: 2023-04-26 - Modified: 2023-04-26 - URL: https://www.jan-siefken.com/marshall-minor-iii-in-ear-bluetooth-kopfhoerer/ - Description: Erlebe den Marshall-Sound mit dem Minor III Bluetooth In-Ear Kopfhörer - 5 Stunden kabellose Spieldauer, perfekter Sound, integriertes Mikrofon. - [Cinebench Benchmark Test für CPU und Grafikkarte](https://www.jan-siefken.com/benchmark-test/) - Published: 2023-01-27 - Modified: 2023-02-04 - URL: https://www.jan-siefken.com/benchmark-test/ - Description: Der Cinebench Benchmark Test ist eine kostenlose Software, um die Leistung von Grafikkarten und Prozessoren zu testen ➔ Download gratis. - [Freeware HTML-Editor Phase 5](https://www.jan-siefken.com/freeware-html-editor-phase-5/) - Published: 2023-01-27 - Modified: 2023-02-07 - URL: https://www.jan-siefken.com/freeware-html-editor-phase-5/ - Description: Der HTML Editor Phase 5 von Ulli Meybohm ist ein Freeware-Programm zum Erstellen von Hypertextdokumenten (HTML) für Internet. Jetzt runterladen. - [SEO Analyse für Online-Shops für Top Rankings](https://www.jan-siefken.com/seo-analyse/) - Published: 2023-01-27 - Modified: 2023-02-07 - URL: https://www.jan-siefken.com/seo-analyse/ - Description: SEO Analyse für Online-Shops - Bringen Sie Ihren Online-Shop auf Platz 1in den Suchmaschinen Google und Bing. Höhere Konversionrate, mehr Umsatz. - [Online Konto eröffnen und Geld sparen](https://www.jan-siefken.com/online-konto-eroeffnen/) - Published: 2023-01-27 - Modified: 2023-02-07 - URL: https://www.jan-siefken.com/online-konto-eroeffnen/ - [Amazon Prime Reading Kindle eBooks kostenlos lesen](https://www.jan-siefken.com/amazon-prime-reading-kindle-ebooks-kostenlos-lesen/) - Published: 2017-06-23 - Modified: 2017-06-23 - URL: https://www.jan-siefken.com/amazon-prime-reading-kindle-ebooks-kostenlos-lesen/ - Description: Prime-Mitglieder können ab sofort mit Prime Reading eine wechselnde Auswahl an Hunderten von Kindle eBooks kostenlos lesen. - [Notebooks für Linux](https://www.jan-siefken.com/notebooks-linux/) - Published: 2012-07-01 - Modified: 2012-07-01 - URL: https://www.jan-siefken.com/notebooks-linux/ - [Apple iPad – neuer Millionen-Markt](https://www.jan-siefken.com/apple-ipad-neuer-millionen-markt/) - Published: 2010-05-29 - Modified: 2010-05-29 - URL: https://www.jan-siefken.com/apple-ipad-neuer-millionen-markt/ - [Der neue Staat iPad](https://www.jan-siefken.com/der-neue-staat-ipad/) - Published: 2010-05-29 - Modified: 2010-05-29 - URL: https://www.jan-siefken.com/der-neue-staat-ipad/ - [Notebook Akku Ersatzakkus](https://www.jan-siefken.com/notebook-akku/) - Published: 2010-05-17 - Modified: 2010-05-17 - URL: https://www.jan-siefken.com/notebook-akku/ - [PREDATORS SciFi-Horror-Film](https://www.jan-siefken.com/predators-scifi-horror-film/) - Published: 2010-05-17 - Modified: 2010-05-17 - URL: https://www.jan-siefken.com/predators-scifi-horror-film/ - [Apple iPad – erster Eindruck](https://www.jan-siefken.com/apple-ipad-erster-eindruck/) - Published: 2010-05-07 - Modified: 2010-05-07 - URL: https://www.jan-siefken.com/apple-ipad-erster-eindruck/ - [Schutz Privatsphäre in SchülerVZ](https://www.jan-siefken.com/schutz-privatsphaere-in-schulervz/) - Published: 2010-05-06 - Modified: 2010-05-06 - URL: https://www.jan-siefken.com/schutz-privatsphaere-in-schulervz/ - [Handy LG KM570 ARENA II](https://www.jan-siefken.com/handy-lg-km570-arena-ii/) - Published: 2010-05-05 - Modified: 2010-05-05 - URL: https://www.jan-siefken.com/handy-lg-km570-arena-ii/ - [Video Format GP3 in Avi und MP4 konvertieren](https://www.jan-siefken.com/video-format-gp3/) - Published: 2010-05-03 - Modified: 2010-05-03 - URL: https://www.jan-siefken.com/video-format-gp3/ - [Spam bei Twitter E-Mail-Benachrichtigung](https://www.jan-siefken.com/spam-bei-twitter-e-mail-benachrichtigung/) - Published: 2010-05-03 - Modified: 2010-05-03 - URL: https://www.jan-siefken.com/spam-bei-twitter-e-mail-benachrichtigung/ - [Social-Media-Vertrieb in vielen Unternehmen wenig genutzt](https://www.jan-siefken.com/social-media-unternehmen/) - Published: 2010-05-03 - Modified: 2010-05-03 - URL: https://www.jan-siefken.com/social-media-unternehmen/ - [Internet bei Europas Frauen beliebt](https://www.jan-siefken.com/internet-bei-europas-frauen-beliebt/) - Published: 2010-05-03 - Modified: 2010-05-03 - URL: https://www.jan-siefken.com/internet-bei-europas-frauen-beliebt/ - [Apple macht Musikdienst Lala dicht](https://www.jan-siefken.com/apple-macht-musikdienst-lala-dicht/) - Published: 2010-05-03 - Modified: 2010-05-03 - URL: https://www.jan-siefken.com/apple-macht-musikdienst-lala-dicht/ - [Uwe Ochsenknecht singt bei Inas Nacht](https://www.jan-siefken.com/uwe-ochsenknecht-inas-nacht/) - Published: 2010-05-01 - Modified: 2010-05-01 - URL: https://www.jan-siefken.com/uwe-ochsenknecht-inas-nacht/ - [Internet-Sicherheitspakete im Test](https://www.jan-siefken.com/internet-sicherheitspakete-im-test/) - Published: 2010-04-15 - Modified: 2010-04-15 - URL: https://www.jan-siefken.com/internet-sicherheitspakete-im-test/ - [Telefonieren Weltrekordversuch von Alice und Radio Hamburg](https://www.jan-siefken.com/telefonieren-weltrekordversuch/) - Published: 2010-04-15 - Modified: 2010-04-15 - URL: https://www.jan-siefken.com/telefonieren-weltrekordversuch/ - [Duke Nukem Forever Gameplay Trailer 2010](https://www.jan-siefken.com/duke-nukem-forever-gameplay/) - Published: 2010-04-08 - Modified: 2010-04-08 - URL: https://www.jan-siefken.com/duke-nukem-forever-gameplay/ - [Handy – guestige iPhone Alternativen](https://www.jan-siefken.com/handy-iphone-alternativen/) - Published: 2010-03-26 - Modified: 2010-03-26 - URL: https://www.jan-siefken.com/handy-iphone-alternativen/ - [Kaspersky PURE Security Software](https://www.jan-siefken.com/kaspersky-pure-security-software/) - Published: 2010-03-26 - Modified: 2010-03-30 - URL: https://www.jan-siefken.com/kaspersky-pure-security-software/ - [Intel Core i7 Prozessor fuer embedded PC-Anwendungen](https://www.jan-siefken.com/intel-core-i7-prozessor/) - Published: 2010-03-18 - Modified: 2010-03-18 - URL: https://www.jan-siefken.com/intel-core-i7-prozessor/ - [Paris 26 Gigapixels Panorama-Bild](https://www.jan-siefken.com/paris-26-gigapixels/) - Published: 2010-03-18 - Modified: 2010-03-18 - URL: https://www.jan-siefken.com/paris-26-gigapixels/ - [Uebersetzungs-Software oft wenig tauglich](https://www.jan-siefken.com/uebersetzungs-software/) - Published: 2010-03-15 - Modified: 2010-03-15 - URL: https://www.jan-siefken.com/uebersetzungs-software/ - [Sudoku Onlinespiel](https://www.jan-siefken.com/sudoku-onlinespiel/) - Published: 2010-03-15 - Modified: 2010-03-15 - URL: https://www.jan-siefken.com/sudoku-onlinespiel/ - [Apple iPad bald verfuegbar](https://www.jan-siefken.com/apple-ipad-bald-verfuegbar/) - Published: 2010-03-09 - Modified: 2010-03-09 - URL: https://www.jan-siefken.com/apple-ipad-bald-verfuegbar/ - [CRAZY HEART OSCARS Jeff Bridges und Filmmusik](https://www.jan-siefken.com/crazy-heart-oscar/) - Published: 2010-03-08 - Modified: 2010-03-08 - URL: https://www.jan-siefken.com/crazy-heart-oscar/ - [CeBIT 2010 Top-Trends der Messe](https://www.jan-siefken.com/cebit-2010-trends/) - Published: 2010-03-05 - Modified: 2010-03-05 - URL: https://www.jan-siefken.com/cebit-2010-trends/ - [Internetnutzung auf Handy nimmt zu](https://www.jan-siefken.com/internetnutzung-handy/) - Published: 2010-02-25 - Modified: 2010-02-25 - URL: https://www.jan-siefken.com/internetnutzung-handy/ - [CeBIT intelligente Wohnumgebungen](https://www.jan-siefken.com/ambient-assisted-living/) - Published: 2010-02-25 - Modified: 2010-02-25 - URL: https://www.jan-siefken.com/ambient-assisted-living/ - [Ego-Shooter Metro 2033 im Test](https://www.jan-siefken.com/ego-shooter-metro-2033/) - Published: 2010-02-25 - Modified: 2010-02-25 - URL: https://www.jan-siefken.com/ego-shooter-metro-2033/ - [Yahoo schliesst Partnerschaft mit Twitter](https://www.jan-siefken.com/yahoo-twitter/) - Published: 2010-02-25 - Modified: 2010-02-25 - URL: https://www.jan-siefken.com/yahoo-twitter/ - [Apple iPad der neue Tablet-PC](https://www.jan-siefken.com/apple-ipad-tablet-pc/) - Published: 2010-02-22 - Modified: 2010-02-22 - URL: https://www.jan-siefken.com/apple-ipad-tablet-pc/ - [Mobiles Internet und Daten-Flatrates](https://www.jan-siefken.com/mobiles-internet-2/) - Published: 2010-02-22 - Modified: 2010-02-22 - URL: https://www.jan-siefken.com/mobiles-internet-2/ - [Desktop anzeigen bei Windows 7](https://www.jan-siefken.com/desktop-anzeigen-bei-windows-7/) - Published: 2010-02-20 - Modified: 2010-02-20 - URL: https://www.jan-siefken.com/desktop-anzeigen-bei-windows-7/ - [Neue Wurm-Variante Spybot.AKB](https://www.jan-siefken.com/neue-wurm-variante-spybot-akb/) - Published: 2010-02-19 - Modified: 2010-02-19 - URL: https://www.jan-siefken.com/neue-wurm-variante-spybot-akb/ - [Mac Magazin fuer Einsteiger](https://www.jan-siefken.com/mac-magazin/) - Published: 2010-02-19 - Modified: 2010-02-19 - URL: https://www.jan-siefken.com/mac-magazin/ - [Psychologie: Frauen interessieren staerker fuer Krimis als Maenner](https://www.jan-siefken.com/psychologie-frauen-krimis/) - Published: 2010-02-19 - Modified: 2010-02-19 - URL: https://www.jan-siefken.com/psychologie-frauen-krimis/ - [Neue E-Shops machen gluecklicher](https://www.jan-siefken.com/e-shops/) - Published: 2010-02-17 - Modified: 2010-02-17 - URL: https://www.jan-siefken.com/e-shops/ - [Axolotl Roadkill](https://www.jan-siefken.com/axolotl-roadkill/) - Published: 2010-02-17 - Modified: 2010-02-17 - URL: https://www.jan-siefken.com/axolotl-roadkill/ - [Zeitungen nutzen verstaerkt digitale Moeglichkeiten](https://www.jan-siefken.com/zeitungen-digitale-moeglichkeiten/) - Published: 2010-02-17 - Modified: 2010-02-17 - URL: https://www.jan-siefken.com/zeitungen-digitale-moeglichkeiten/ - [Grafikkarte NVIDIA GeForce GT 220](https://www.jan-siefken.com/grafikkarte-nvidia-geforce-gt-220/) - Published: 2010-02-16 - Modified: 2010-02-16 - URL: https://www.jan-siefken.com/grafikkarte-nvidia-geforce-gt-220/ - [Mini Radio fuer die Windows Sidebar](https://www.jan-siefken.com/radio-windows-sidebar/) - Published: 2010-02-16 - Modified: 2010-02-16 - URL: https://www.jan-siefken.com/radio-windows-sidebar/ - [Windows Phone 7 Microsoft Smartphone-Betriebssystem](https://www.jan-siefken.com/windows-phone-7/) - Published: 2010-02-16 - Modified: 2025-07-14 - URL: https://www.jan-siefken.com/windows-phone-7/ - [Internet Security Suiten oft magelhaft](https://www.jan-siefken.com/internet-security-suiten/) - Published: 2010-02-15 - Modified: 2010-02-15 - URL: https://www.jan-siefken.com/internet-security-suiten/ - [IBM stellt neue Power7-Systeme vor](https://www.jan-siefken.com/ibm-power7-systeme/) - Published: 2010-02-15 - Modified: 2010-02-15 - URL: https://www.jan-siefken.com/ibm-power7-systeme/ - [Valentinstag – Gefaehrliche Liebesgruesse](https://www.jan-siefken.com/valentinstag/) - Published: 2010-02-12 - Modified: 2010-02-12 - URL: https://www.jan-siefken.com/valentinstag/ - [Global Mobile Broadband Traffic Report](https://www.jan-siefken.com/global-mobile-broadband-traffic-report/) - Published: 2010-02-09 - Modified: 2010-02-09 - URL: https://www.jan-siefken.com/global-mobile-broadband-traffic-report/ - [Fleiss ist wichtiger als Talent](https://www.jan-siefken.com/fleiss-ist-wichtiger-als-talent/) - Published: 2010-02-09 - Modified: 2010-02-09 - URL: https://www.jan-siefken.com/fleiss-ist-wichtiger-als-talent/ - [Battlefield – Bad Company 2 Demo](https://www.jan-siefken.com/battlefield-bad-company-2-demo/) - Published: 2010-02-09 - Modified: 2010-02-09 - URL: https://www.jan-siefken.com/battlefield-bad-company-2-demo/ - [Live auf der CeBIT – Next level 3D](https://www.jan-siefken.com/cebit-next-level-3d/) - Published: 2010-02-08 - Modified: 2010-02-08 - URL: https://www.jan-siefken.com/cebit-next-level-3d/ - [Unternehmen suchen Dialog mit Web-Nutzern](https://www.jan-siefken.com/dialog-web-nutzer/) - Published: 2010-02-08 - Modified: 2010-02-08 - URL: https://www.jan-siefken.com/dialog-web-nutzer/ - [Kabel Deutschland bis 100 Mbit/s-schnelles Internet](https://www.jan-siefken.com/kabel-deutschland-internet/) - Published: 2010-02-08 - Modified: 2010-02-08 - URL: https://www.jan-siefken.com/kabel-deutschland-internet/ - [Windows 7 ReadyBoost](https://www.jan-siefken.com/windows-7-readyboost/) - Published: 2010-02-04 - Modified: 2010-02-04 - URL: https://www.jan-siefken.com/windows-7-readyboost/ - [Computer Hardware und ihre Grenzen](https://www.jan-siefken.com/computer-hardware/) - Published: 2010-01-28 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/computer-hardware/ - [Steve Jobs stellt das Apple iPad vor](https://www.jan-siefken.com/apple-ipad/) - Published: 2010-01-28 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/apple-ipad/ - [Social Media Week in Berlin](https://www.jan-siefken.com/social-media-week-in-berlin/) - Published: 2010-01-28 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/social-media-week-in-berlin/ - [Wie IT-Dienstleister erfolgreich bleiben koennen](https://www.jan-siefken.com/it-dienstleister/) - Published: 2010-01-28 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/it-dienstleister/ - [Axel Springer startet watchmi](https://www.jan-siefken.com/watchmi/) - Published: 2010-01-28 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/watchmi/ - [Roxy Music – On The Radio](https://www.jan-siefken.com/roxy-music-on-the-radio/) - Published: 2010-01-28 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/roxy-music-on-the-radio/ - [Apple iPad – neuer Tablet-PC](https://www.jan-siefken.com/apple-ipad-neuer-tablet-pc/) - Published: 2010-01-26 - Modified: 2010-01-28 - URL: https://www.jan-siefken.com/apple-ipad-neuer-tablet-pc/ - [Soziale Netzwerke im Web 2.0 Zeitalter](https://www.jan-siefken.com/soziale-netzwerke-web-2-0/) - Published: 2010-01-20 - Modified: 2010-01-26 - URL: https://www.jan-siefken.com/soziale-netzwerke-web-2-0/ - [Eee PC T91MT](https://www.jan-siefken.com/eee-pc-t91mt/) - Published: 2010-01-05 - Modified: 2010-01-05 - URL: https://www.jan-siefken.com/eee-pc-t91mt/ - [Deutsche wollen kein Weihnachtsgebaeck im September](https://www.jan-siefken.com/weihnachtsgebaeck-im-september/) - Published: 2009-12-02 - Modified: 2009-12-02 - URL: https://www.jan-siefken.com/weihnachtsgebaeck-im-september/ - [Weihnachten 2009 – Weihnachtsgeschaeft im Handel gestartet](https://www.jan-siefken.com/weihnachten-2009-weihnachtsgeschaeft/) - Published: 2009-11-13 - Modified: 2009-11-13 - URL: https://www.jan-siefken.com/weihnachten-2009-weihnachtsgeschaeft/ - [Adobe LiveCycle ES2](https://www.jan-siefken.com/adobe-livecycle-es2/) - Published: 2009-11-11 - Modified: 2009-11-11 - URL: https://www.jan-siefken.com/adobe-livecycle-es2/ - [Windows 7 im Social Web](https://www.jan-siefken.com/windows-7-im-social-web/) - Published: 2009-11-05 - Modified: 2009-11-05 - URL: https://www.jan-siefken.com/windows-7-im-social-web/ - [Mobilfunkshops im Test](https://www.jan-siefken.com/mobilfunkshops-im-test/) - Published: 2009-10-23 - Modified: 2009-10-23 - URL: https://www.jan-siefken.com/mobilfunkshops-im-test/ - [DENIC – neue kurze Domains](https://www.jan-siefken.com/denic-neue-kurze-domains/) - Published: 2009-10-23 - Modified: 2009-10-23 - URL: https://www.jan-siefken.com/denic-neue-kurze-domains/ - [Neuer Mini PC mit geringem Energiebedarf](https://www.jan-siefken.com/mini-pc/) - Published: 2009-10-21 - Modified: 2009-10-21 - URL: https://www.jan-siefken.com/mini-pc/ - [Mini Notebook Dell Inspiron 11z](https://www.jan-siefken.com/inspiron-11z-mini-notebook/) - Published: 2009-10-08 - Modified: 2009-10-08 - URL: https://www.jan-siefken.com/inspiron-11z-mini-notebook/ - [HD-Recorder mit DVB-T](https://www.jan-siefken.com/hd-recorder-mit-dvb-t/) - Published: 2009-10-08 - Modified: 2009-10-08 - URL: https://www.jan-siefken.com/hd-recorder-mit-dvb-t/ - [Umstieg auf Windows 7](https://www.jan-siefken.com/windows-7/) - Published: 2009-10-07 - Modified: 2009-10-07 - URL: https://www.jan-siefken.com/windows-7/ - [Externe Festplatte – guenstiger Preis nicht immer entscheidend](https://www.jan-siefken.com/externe-festplatte/) - Published: 2009-10-07 - Modified: 2009-10-07 - URL: https://www.jan-siefken.com/externe-festplatte/ - [PC Spiele – billiger PC oft besser als teures Notebook](https://www.jan-siefken.com/pc-spiele-notebook/) - Published: 2009-10-07 - Modified: 2009-10-07 - URL: https://www.jan-siefken.com/pc-spiele-notebook/ - [Hoerbuch Download nimmt zu](https://www.jan-siefken.com/hoerbuch-download-nimmt-zu/) - Published: 2009-10-07 - Modified: 2009-10-07 - URL: https://www.jan-siefken.com/hoerbuch-download-nimmt-zu/ - [Firefox 3.6 Beta](https://www.jan-siefken.com/firefox-3-6-beta/) - Published: 2009-10-07 - Modified: 2009-10-07 - URL: https://www.jan-siefken.com/firefox-3-6-beta/ - [Internetradio Player Musik als Mp3 aufnehmen](https://www.jan-siefken.com/internetradio-musik-aufnehmen/) - Published: 2009-10-01 - Modified: 2009-10-01 - URL: https://www.jan-siefken.com/internetradio-musik-aufnehmen/ - [Black Mirror 2 PC-Adventure Spiel](https://www.jan-siefken.com/black-mirror-2/) - Published: 2009-09-29 - Modified: 2009-09-29 - URL: https://www.jan-siefken.com/black-mirror-2/ - [Falsche Versprechen in der Werbung](https://www.jan-siefken.com/falsche-versprechen-werbung/) - Published: 2009-09-29 - Modified: 2009-09-29 - URL: https://www.jan-siefken.com/falsche-versprechen-werbung/ - [Fuer neuen Job die Branche wechseln](https://www.jan-siefken.com/jobsuche-arbeit/) - Published: 2009-09-29 - Modified: 2009-09-29 - URL: https://www.jan-siefken.com/jobsuche-arbeit/ - [Bioshock 2 Sea of Dreams – Action-Rollenspiel](https://www.jan-siefken.com/bioshock-2/) - Published: 2009-09-21 - Modified: 2009-09-21 - URL: https://www.jan-siefken.com/bioshock-2/ - [Flachbildfernseher mit Internet-Zugang](https://www.jan-siefken.com/flachbildfernseher-internet/) - Published: 2009-09-02 - Modified: 2009-09-02 - URL: https://www.jan-siefken.com/flachbildfernseher-internet/ - [Drag Me to Hell](https://www.jan-siefken.com/drag-me-to-hell/) - Published: 2009-08-28 - Modified: 2009-08-28 - URL: https://www.jan-siefken.com/drag-me-to-hell/ - [Apple iPhone – Studie erklaert den Erfolg](https://www.jan-siefken.com/apple-iphone-studie/) - Published: 2009-08-27 - Modified: 2009-08-27 - URL: https://www.jan-siefken.com/apple-iphone-studie/ - [Deutsche Unternehmen senken Personalkosten](https://www.jan-siefken.com/deutsche-unternehmen-senken-personalkosten/) - Published: 2009-08-27 - Modified: 2009-08-27 - URL: https://www.jan-siefken.com/deutsche-unternehmen-senken-personalkosten/ - [Alice Service-Studie 2009](https://www.jan-siefken.com/alice-service-studie/) - Published: 2009-08-26 - Modified: 2009-08-26 - URL: https://www.jan-siefken.com/alice-service-studie/ - [Netbook Asus Eee PC T91 im Test](https://www.jan-siefken.com/eee-pc-t91/) - Published: 2009-08-25 - Modified: 2009-08-25 - URL: https://www.jan-siefken.com/eee-pc-t91/ - [Spam in Web 2.0 Netzwerken](https://www.jan-siefken.com/spam-web-2-0-netzwerke/) - Published: 2009-08-25 - Modified: 2009-08-25 - URL: https://www.jan-siefken.com/spam-web-2-0-netzwerke/ - [Phishing Gefahr fuer Facebook User](https://www.jan-siefken.com/phishing-facebook/) - Published: 2009-08-18 - Modified: 2009-08-18 - URL: https://www.jan-siefken.com/phishing-facebook/ - [Inglourious Basterds – Film von Quentin Tarantino](https://www.jan-siefken.com/inglourious-basterds/) - Published: 2009-08-17 - Modified: 2009-08-17 - URL: https://www.jan-siefken.com/inglourious-basterds/ - [Samsung Hochleistungs-SSD mit 256 GB fuer PC-Spiele](https://www.jan-siefken.com/ssd-mit-256-gb/) - Published: 2009-08-17 - Modified: 2009-08-17 - URL: https://www.jan-siefken.com/ssd-mit-256-gb/ - [Fuer Maenner ist Muenchen angeblich die beste deutsche Stadt](https://www.jan-siefken.com/muenchen/) - Published: 2009-08-17 - Modified: 2009-08-17 - URL: https://www.jan-siefken.com/muenchen/ - [Archivieren von Digitalfotos](https://www.jan-siefken.com/digitalfotos-archivieren/) - Published: 2009-08-17 - Modified: 2009-08-17 - URL: https://www.jan-siefken.com/digitalfotos-archivieren/ - [Final Destination 4 – Kino Trailer](https://www.jan-siefken.com/final-destination-4/) - Published: 2009-08-14 - Modified: 2009-08-14 - URL: https://www.jan-siefken.com/final-destination-4/ - [Videospiele-Industrie trotz Rezession auf Wachstumskurs](https://www.jan-siefken.com/videospiele-industrie/) - Published: 2009-08-12 - Modified: 2009-08-12 - URL: https://www.jan-siefken.com/videospiele-industrie/ - [Triumph Adler Alphatronic PC](https://www.jan-siefken.com/alphatronic-pc/) - Published: 2009-08-12 - Modified: 2009-08-12 - URL: https://www.jan-siefken.com/alphatronic-pc/ - [AssaultCube 3D Shooter freeware](https://www.jan-siefken.com/assaultcube-3d-shooter/) - Published: 2009-08-11 - Modified: 2009-08-11 - URL: https://www.jan-siefken.com/assaultcube-3d-shooter/ - [Saw 6 Trailer](https://www.jan-siefken.com/saw-6-trailer/) - Published: 2009-08-11 - Modified: 2009-08-11 - URL: https://www.jan-siefken.com/saw-6-trailer/ - [DVB-T-Sticks fuer mobilen Fernsehempfang](https://www.jan-siefken.com/dvb-t-stick/) - Published: 2009-08-06 - Modified: 2009-08-06 - URL: https://www.jan-siefken.com/dvb-t-stick/ - [Mobilfunk – Kunden verstehen Handy Tarife nicht](https://www.jan-siefken.com/handytarife/) - Published: 2009-08-05 - Modified: 2009-08-05 - URL: https://www.jan-siefken.com/handytarife/ - [Sicherheitsrisiko Facebook-Widgets](https://www.jan-siefken.com/facebook-widgets/) - Published: 2009-08-05 - Modified: 2009-08-05 - URL: https://www.jan-siefken.com/facebook-widgets/ - [Computer-Prozessoren im Test](https://www.jan-siefken.com/computer-prozessoren/) - Published: 2009-08-04 - Modified: 2009-08-04 - URL: https://www.jan-siefken.com/computer-prozessoren/ - [Alice in Wonderland Trailer 2010](https://www.jan-siefken.com/alice-in-wonderland/) - Published: 2009-07-28 - Modified: 2009-07-28 - URL: https://www.jan-siefken.com/alice-in-wonderland/ - [Mobiles Internet – Prepaid-Tarife](https://www.jan-siefken.com/mobiles-internet/) - Published: 2009-07-28 - Modified: 2009-07-28 - URL: https://www.jan-siefken.com/mobiles-internet/ - [Kostenfalle Verbraucherkreditvertrag](https://www.jan-siefken.com/verbraucherkredit/) - Published: 2009-07-28 - Modified: 2009-07-28 - URL: https://www.jan-siefken.com/verbraucherkredit/ - [Bundestagswahl wird so teuer wie nie](https://www.jan-siefken.com/bundestagswahl/) - Published: 2009-07-28 - Modified: 2009-07-28 - URL: https://www.jan-siefken.com/bundestagswahl/ - [Sam Raimi Regisseur bei Warcraft-Film](https://www.jan-siefken.com/sam-raimi-warcraft-film/) - Published: 2009-07-22 - Modified: 2009-07-22 - URL: https://www.jan-siefken.com/sam-raimi-warcraft-film/ - [Demo gegen Verbot von Action-Computerspielen](https://www.jan-siefken.com/demo-verbot-computerspiele/) - Published: 2009-07-22 - Modified: 2009-07-22 - URL: https://www.jan-siefken.com/demo-verbot-computerspiele/ - [HDTV-Festplatten-Receiver](https://www.jan-siefken.com/hdtv-festplatten-receiver/) - Published: 2009-07-20 - Modified: 2009-07-20 - URL: https://www.jan-siefken.com/hdtv-festplatten-receiver/ - [Trojaner beherrschen die Malware-Industrie](https://www.jan-siefken.com/trojaner-malware/) - Published: 2009-07-10 - Modified: 2009-07-10 - URL: https://www.jan-siefken.com/trojaner-malware/ - [40 Jahre Mondlandung – „Der Raketenmann“](https://www.jan-siefken.com/40-jahre-mondlandung/) - Published: 2009-07-10 - Modified: 2009-07-10 - URL: https://www.jan-siefken.com/40-jahre-mondlandung/ - [Praxisleitfaden E-Commerce als PDF kostenlos zum download](https://www.jan-siefken.com/praxisleitfaden-e-commerce/) - Published: 2009-07-10 - Modified: 2009-07-10 - URL: https://www.jan-siefken.com/praxisleitfaden-e-commerce/ - [WordPress 2.8.1 automatic upgrade failed](https://www.jan-siefken.com/wordpress-2-8-1-automatic-upgrade-failed/) - Published: 2009-07-10 - Modified: 2009-07-10 - URL: https://www.jan-siefken.com/wordpress-2-8-1-automatic-upgrade-failed/ - [Grillen ist (angeblich) Maennersache](https://www.jan-siefken.com/grillen/) - Published: 2009-07-10 - Modified: 2009-07-10 - URL: https://www.jan-siefken.com/grillen/ - [Boulevardzeitung hoert Handys ab](https://www.jan-siefken.com/boulevardzeitung-hoert-handys-ab/) - Published: 2009-07-10 - Modified: 2009-07-10 - URL: https://www.jan-siefken.com/boulevardzeitung-hoert-handys-ab/ - [Volvo the Game – kostenloses 3D Rennspiel](https://www.jan-siefken.com/volvo-the-game-kostenloses-3d-rennspiel/) - Published: 2009-07-09 - Modified: 2009-07-09 - URL: https://www.jan-siefken.com/volvo-the-game-kostenloses-3d-rennspiel/ - [Neue Heimatprofile im studiVZ und meinVZ](https://www.jan-siefken.com/neue-heimatprofile-im-studivz-und-meinvz/) - Published: 2009-07-09 - Modified: 2009-07-09 - URL: https://www.jan-siefken.com/neue-heimatprofile-im-studivz-und-meinvz/ - [Vodafone Ein-Marken-Strategie stellt Kunden in Mittelpunkt](https://www.jan-siefken.com/vodafone/) - Published: 2009-07-09 - Modified: 2009-07-09 - URL: https://www.jan-siefken.com/vodafone/ - [DSL-Router mit WLAN-Schnittstelle](https://www.jan-siefken.com/dsl-router-mit-wlan-schnittstelle/) - Published: 2009-07-09 - Modified: 2009-07-09 - URL: https://www.jan-siefken.com/dsl-router-mit-wlan-schnittstelle/ - [Media Markt-TV-Jubilaeumsaktion](https://www.jan-siefken.com/media-markt-tv-jubilaeumsaktion/) - Published: 2009-07-09 - Modified: 2009-07-09 - URL: https://www.jan-siefken.com/media-markt-tv-jubilaeumsaktion/ - [Michael Jackson letztes Video](https://www.jan-siefken.com/michael-jackson-letztes-video/) - Published: 2009-07-08 - Modified: 2009-07-08 - URL: https://www.jan-siefken.com/michael-jackson-letztes-video/ - [Hamburg Bild – Alster und Rathaus](https://www.jan-siefken.com/hamburg-bild-alster-und-rathaus/) - Published: 2009-07-08 - Modified: 2009-07-08 - URL: https://www.jan-siefken.com/hamburg-bild-alster-und-rathaus/ - [Arbeitsspeicher defekte RAM-Module testen](https://www.jan-siefken.com/arbeitsspeicher-defekte-ram-module-testen/) - Published: 2009-07-06 - Modified: 2009-07-06 - URL: https://www.jan-siefken.com/arbeitsspeicher-defekte-ram-module-testen/ - [„Bandidas“ mit Salma Hayek und Penélope Cruz](https://www.jan-siefken.com/bandidas/) - Published: 2009-06-30 - Modified: 2009-06-30 - URL: https://www.jan-siefken.com/bandidas/ - [IT-Arbeitsmarkt – noch keine Belebung in Sicht](https://www.jan-siefken.com/it-arbeitsmarkt/) - Published: 2009-06-30 - Modified: 2009-06-30 - URL: https://www.jan-siefken.com/it-arbeitsmarkt/ - [Social Media auf Reise-Webseiten](https://www.jan-siefken.com/social-media-auf-reise-webseiten/) - Published: 2009-06-30 - Modified: 2009-06-30 - URL: https://www.jan-siefken.com/social-media-auf-reise-webseiten/ - [ATX Motherboard mit ECC Funktion](https://www.jan-siefken.com/atx-motherboard-mit-ecc-funktion/) - Published: 2009-06-30 - Modified: 2009-06-30 - URL: https://www.jan-siefken.com/atx-motherboard-mit-ecc-funktion/ - [Wenn der Blitz in den PC einschlaegt](https://www.jan-siefken.com/wenn-der-blitz-in-den-pc-einschlaegt/) - Published: 2009-06-30 - Modified: 2009-06-30 - URL: https://www.jan-siefken.com/wenn-der-blitz-in-den-pc-einschlaegt/ - [iPhone 3GS – Hitzeprobleme moeglich?](https://www.jan-siefken.com/iphone-3gs-hitzeprobleme-moeglich/) - Published: 2009-06-30 - Modified: 2009-06-30 - URL: https://www.jan-siefken.com/iphone-3gs-hitzeprobleme-moeglich/ - [Michael Jackson – Earth Song](https://www.jan-siefken.com/michael-jackson-earth-song/) - Published: 2009-06-29 - Modified: 2009-06-29 - URL: https://www.jan-siefken.com/michael-jackson-earth-song/ - [Laufzeit von Notebooks verlaengern](https://www.jan-siefken.com/laufzeit-von-notebooks-verlaengern/) - Published: 2009-06-28 - Modified: 2009-06-28 - URL: https://www.jan-siefken.com/laufzeit-von-notebooks-verlaengern/ - [Avira AntiVir Virenscanner fuer Windows 7](https://www.jan-siefken.com/virenscanner-windows-7/) - Published: 2009-06-24 - Modified: 2009-06-24 - URL: https://www.jan-siefken.com/virenscanner-windows-7/ - [Lehrerbenotung im Internet auf Spickmich bleibt erlaubt](https://www.jan-siefken.com/lehrerbenotung-spickmich/) - Published: 2009-06-24 - Modified: 2009-06-24 - URL: https://www.jan-siefken.com/lehrerbenotung-spickmich/ - [Within The Woods Kurzfilm von Sam Raimi](https://www.jan-siefken.com/within-the-woods-kurzfilm/) - Published: 2009-06-23 - Modified: 2009-06-23 - URL: https://www.jan-siefken.com/within-the-woods-kurzfilm/ - [Freeware Backup-Programm](https://www.jan-siefken.com/freeware-backup-programm/) - Published: 2009-06-17 - Modified: 2009-06-17 - URL: https://www.jan-siefken.com/freeware-backup-programm/ - [Reisevorbereitung im Internet](https://www.jan-siefken.com/reisevorbereitung-im-internet/) - Published: 2009-06-16 - Modified: 2009-06-16 - URL: https://www.jan-siefken.com/reisevorbereitung-im-internet/ - [Trend Micro warnt vor Internet-Abzocke](https://www.jan-siefken.com/trend-micro-warnt-vor-internet-abzocke/) - Published: 2009-06-16 - Modified: 2009-06-16 - URL: https://www.jan-siefken.com/trend-micro-warnt-vor-internet-abzocke/ - [Geotagging im Web 2.0](https://www.jan-siefken.com/geotagging-im-web-2-0/) - Published: 2009-06-16 - Modified: 2009-06-16 - URL: https://www.jan-siefken.com/geotagging-im-web-2-0/ - [Poteste im Iran gegen Ahmadinedschad](https://www.jan-siefken.com/iran/) - Published: 2009-06-16 - Modified: 2009-06-16 - URL: https://www.jan-siefken.com/iran/ - [Notebook ASUS M60VP](https://www.jan-siefken.com/notebook-asus-m60vp/) - Published: 2009-06-11 - Modified: 2009-06-11 - URL: https://www.jan-siefken.com/notebook-asus-m60vp/ - [WordPress 2.8 alias Baker](https://www.jan-siefken.com/wordpress-2-8-alias-baker/) - Published: 2009-06-11 - Modified: 2009-06-12 - URL: https://www.jan-siefken.com/wordpress-2-8-alias-baker/ - [Tour de France 2009](https://www.jan-siefken.com/tour-de-france-2009/) - Published: 2009-06-11 - Modified: 2009-06-11 - URL: https://www.jan-siefken.com/tour-de-france-2009/ - [iPhone 3G S – Was bringt das neue Handy?](https://www.jan-siefken.com/iphone-3g-s/) - Published: 2009-06-09 - Modified: 2009-06-09 - URL: https://www.jan-siefken.com/iphone-3g-s/ - [Green IT und die Wirtschaftskrise](https://www.jan-siefken.com/green-it-und-die-wirtschaftskrise/) - Published: 2009-06-02 - Modified: 2009-06-02 - URL: https://www.jan-siefken.com/green-it-und-die-wirtschaftskrise/ - [Clint Eastwood in „Million Dollar Baby“](https://www.jan-siefken.com/clint-eastwood-in-million-dollar-baby/) - Published: 2009-06-02 - Modified: 2009-06-02 - URL: https://www.jan-siefken.com/clint-eastwood-in-million-dollar-baby/ - [tel-domain – die neue Telefon-Domain](https://www.jan-siefken.com/tel-domain/) - Published: 2009-05-23 - Modified: 2009-05-23 - URL: https://www.jan-siefken.com/tel-domain/ - [Horst Koehler bleibt Bundespraesident](https://www.jan-siefken.com/horst-koehler-bleibt-bundespraesident/) - Published: 2009-05-23 - Modified: 2009-05-23 - URL: https://www.jan-siefken.com/horst-koehler-bleibt-bundespraesident/ - [DOS x86 Emulator](https://www.jan-siefken.com/dos-x86-emulator/) - Published: 2009-05-22 - Modified: 2009-05-22 - URL: https://www.jan-siefken.com/dos-x86-emulator/ - [Linux Software fuer Videobearbeitung](https://www.jan-siefken.com/linux-software-videobearbeitung/) - Published: 2009-05-16 - Modified: 2009-05-16 - URL: https://www.jan-siefken.com/linux-software-videobearbeitung/ - [IT-Trends 2009](https://www.jan-siefken.com/it-trends-2009/) - Published: 2009-05-16 - Modified: 2009-05-16 - URL: https://www.jan-siefken.com/it-trends-2009/ - [Twitter-Schlagwort #twitterpornnames Security Alert](https://www.jan-siefken.com/twitterpornnames/) - Published: 2009-05-16 - Modified: 2009-05-16 - URL: https://www.jan-siefken.com/twitterpornnames/ - [Wolfram Alpha – neue Fragen-Suchmaschine](https://www.jan-siefken.com/wolfram-alpha/) - Published: 2009-05-16 - Modified: 2012-07-29 - URL: https://www.jan-siefken.com/wolfram-alpha/ - [OpenOffice 3.1 steht zum download bereit](https://www.jan-siefken.com/openoffice-31/) - Published: 2009-05-08 - Modified: 2009-05-08 - URL: https://www.jan-siefken.com/openoffice-31/ - [Duke Nukem Forever – 3D Shooter vor dem Aus!](https://www.jan-siefken.com/duke-nukem-forever/) - Published: 2009-05-07 - Modified: 2009-05-08 - URL: https://www.jan-siefken.com/duke-nukem-forever/ - [Laeuft Windows 7 auf Netbooks?](https://www.jan-siefken.com/windows-7-auf-netbook/) - Published: 2009-05-06 - Modified: 2009-05-06 - URL: https://www.jan-siefken.com/windows-7-auf-netbook/ - [Mozilla Sunbird – kostenloser Terminplaner](https://www.jan-siefken.com/mozilla-sunbird/) - Published: 2009-05-04 - Modified: 2009-05-04 - URL: https://www.jan-siefken.com/mozilla-sunbird/ - [Amazon an der Spitze der Shopping-Seiten](https://www.jan-siefken.com/amazon/) - Published: 2009-05-04 - Modified: 2009-05-04 - URL: https://www.jan-siefken.com/amazon/ - [Furcht vor Schweinegrippe nutzen Spammer aus](https://www.jan-siefken.com/schweinegrippe-e-mail-spam/) - Published: 2009-04-29 - Modified: 2009-04-29 - URL: https://www.jan-siefken.com/schweinegrippe-e-mail-spam/ - [IT Job – Anforderungen an Informatiker nehmen zu](https://www.jan-siefken.com/it-job-anforderungen/) - Published: 2009-04-29 - Modified: 2009-04-29 - URL: https://www.jan-siefken.com/it-job-anforderungen/ - [NVIDIA GeForce 3D Vision](https://www.jan-siefken.com/nvidia-geforce-3d-vision/) - Published: 2009-04-28 - Modified: 2009-05-26 - URL: https://www.jan-siefken.com/nvidia-geforce-3d-vision/ - [Werbespot Loewe Sound „Fernbedienung“ – Scholz-Friends](https://www.jan-siefken.com/werbespot-loewe-sound-fernbedienung/) - Published: 2009-04-28 - Modified: 2009-04-28 - URL: https://www.jan-siefken.com/werbespot-loewe-sound-fernbedienung/ - [Online-Wahlkampf – Parteien auf studiVZ](https://www.jan-siefken.com/wahlkampf-parteien-studivz/) - Published: 2009-04-27 - Modified: 2009-04-27 - URL: https://www.jan-siefken.com/wahlkampf-parteien-studivz/ - [Ueber 85 Millionen SMS bei T-Moblile versendet](https://www.jan-siefken.com/sms-t-moblile/) - Published: 2009-04-27 - Modified: 2009-04-27 - URL: https://www.jan-siefken.com/sms-t-moblile/ - [Yahoo schliesst Homepage-Dienst GeoCities](https://www.jan-siefken.com/geocities/) - Published: 2009-04-25 - Modified: 2009-04-25 - URL: https://www.jan-siefken.com/geocities/ - [Space Invaders Spiele Klassiker – lustige Videos](https://www.jan-siefken.com/space-invaders-video/) - Published: 2009-04-24 - Modified: 2009-04-24 - URL: https://www.jan-siefken.com/space-invaders-video/ - [Johannes B. Kerner wechselt zu Sat1](https://www.jan-siefken.com/johannes-b-kerner-wechselt-zu-sat1/) - Published: 2009-04-23 - Modified: 2009-04-23 - URL: https://www.jan-siefken.com/johannes-b-kerner-wechselt-zu-sat1/ - [Wikipedia – Partnerschaft mit Mobilfunkbetreiber Orange](https://www.jan-siefken.com/wikipedia/) - Published: 2009-04-23 - Modified: 2009-04-23 - URL: https://www.jan-siefken.com/wikipedia/ - [Internet Videorekorder fuer privaten Gebrauch zulaessig](https://www.jan-siefken.com/internet-videorekorder/) - Published: 2009-04-23 - Modified: 2009-04-23 - URL: https://www.jan-siefken.com/internet-videorekorder/ - [Handynetz-Ausfall und T-Mobile-Reaktion](https://www.jan-siefken.com/handynetz-ausfall-t-mobile/) - Published: 2009-04-23 - Modified: 2009-04-23 - URL: https://www.jan-siefken.com/handynetz-ausfall-t-mobile/ - [Oel am Nordpol – Bald erste Bohrungen in der Arktis?](https://www.jan-siefken.com/oel-am-nordpol/) - Published: 2009-04-23 - Modified: 2009-04-23 - URL: https://www.jan-siefken.com/oel-am-nordpol/ - [T-Offline bei T-Mobile – Handynetz ausser Betrieb](https://www.jan-siefken.com/t-mobile/) - Published: 2009-04-22 - Modified: 2009-04-22 - URL: https://www.jan-siefken.com/t-mobile/ - [Neue Notebooks der ASUS N-Serie im Computer-Fachhandel erhaeltlich](https://www.jan-siefken.com/notebook-asus/) - Published: 2009-04-22 - Modified: 2009-04-22 - URL: https://www.jan-siefken.com/notebook-asus/ - [1. Mai – Tag der Arbeit verliert an Bedeutung](https://www.jan-siefken.com/tag-der-arbeit/) - Published: 2009-04-22 - Modified: 2009-04-22 - URL: https://www.jan-siefken.com/tag-der-arbeit/ - [INXS – Never Tear Us Apart – Musikvideo](https://www.jan-siefken.com/inxs/) - Published: 2009-04-21 - Modified: 2009-04-21 - URL: https://www.jan-siefken.com/inxs/ - [Kommentar zum Datenschutz – Lidl, Telekom](https://www.jan-siefken.com/datenschutz-lidl-telekom/) - Published: 2009-04-21 - Modified: 2009-04-21 - URL: https://www.jan-siefken.com/datenschutz-lidl-telekom/ - [WLAN-Sicherheit – Studie IT-Sicherheit](https://www.jan-siefken.com/wlan-sicherheit/) - Published: 2009-04-21 - Modified: 2009-04-21 - URL: https://www.jan-siefken.com/wlan-sicherheit/ - [Preisgrenzen fuer SMS-Versand im Ausland](https://www.jan-siefken.com/sms-versand-ausland/) - Published: 2009-04-21 - Modified: 2009-04-21 - URL: https://www.jan-siefken.com/sms-versand-ausland/ - [Computer Festplatte aufraeumen fuer mehr Speicherplatz](https://www.jan-siefken.com/festplatte-aufraeumen/) - Published: 2009-04-21 - Modified: 2009-04-21 - URL: https://www.jan-siefken.com/festplatte-aufraeumen/ - [CDU fordert Youtube Registrierung mit Personalausweisnummer](https://www.jan-siefken.com/youtube-registrierung/) - Published: 2009-04-20 - Modified: 2009-04-20 - URL: https://www.jan-siefken.com/youtube-registrierung/ - [TV Tipp: Mr. Ripley und die Kunst des Toetens](https://www.jan-siefken.com/mr-ripley/) - Published: 2009-04-17 - Modified: 2009-04-17 - URL: https://www.jan-siefken.com/mr-ripley/ - [Internetsperren – einige Internetprovider unterschreiben freiwillig](https://www.jan-siefken.com/internetsperren-internetprovider/) - Published: 2009-04-17 - Modified: 2009-04-17 - URL: https://www.jan-siefken.com/internetsperren-internetprovider/ - [Shuttle Mini-PC Nettop mit SUSE Linux Betriebssystem](https://www.jan-siefken.com/shuttle-mini-pc-nettop/) - Published: 2009-04-17 - Modified: 2009-04-17 - URL: https://www.jan-siefken.com/shuttle-mini-pc-nettop/ - [Frogger Flash Game – Onlinespiel](https://www.jan-siefken.com/frogger-flash-game/) - Published: 2009-04-17 - Modified: 2009-04-17 - URL: https://www.jan-siefken.com/frogger-flash-game/ - [Wirtschaftskrise erfasst Cyberkriminelle – Preisverfall bei Spam](https://www.jan-siefken.com/wirtschaftskrise-preisverfall-spam/) - Published: 2009-04-17 - Modified: 2009-04-17 - URL: https://www.jan-siefken.com/wirtschaftskrise-preisverfall-spam/ - [No-Angels-Saengerin – Gericht verbietet Berichterstattung](https://www.jan-siefken.com/no-angels-saengerin/) - Published: 2009-04-17 - Modified: 2009-04-17 - URL: https://www.jan-siefken.com/no-angels-saengerin/ - [Depeche Mode – Wrong – Musikvideo](https://www.jan-siefken.com/depeche-mode/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/depeche-mode/ - [PC Game – U-Bahn-Simulator – Spieletest](https://www.jan-siefken.com/u-bahn-simulator-game/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/u-bahn-simulator-game/ - [China holt in der Mikroelektronik auf – IT Standort Europa gefaehrdet?](https://www.jan-siefken.com/china-it/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/china-it/ - [Video fuer Surfer – surfer rides huge wave](https://www.jan-siefken.com/video-fuer-surfer/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/video-fuer-surfer/ - [HP startet Videoportal Gabble](https://www.jan-siefken.com/gabble/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/gabble/ - [PDF Dokumente kostenlos erstellen](https://www.jan-siefken.com/pdf/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/pdf/ - [Bundesbuerger laut Umfrage gegen Reichensteuer](https://www.jan-siefken.com/reichensteuer/) - Published: 2009-04-16 - Modified: 2009-04-16 - URL: https://www.jan-siefken.com/reichensteuer/ - [Microsoft-Sicherheitsupdates April 2009](https://www.jan-siefken.com/microsoft-sicherheitsupdates/) - Published: 2009-04-15 - Modified: 2009-04-15 - URL: https://www.jan-siefken.com/microsoft-sicherheitsupdates/ - [Videos konvertieren – Freeware Videokonverter](https://www.jan-siefken.com/videos-konvertieren/) - Published: 2009-04-15 - Modified: 2009-04-15 - URL: https://www.jan-siefken.com/videos-konvertieren/ - [Virus Kido – auch bekannt unter Conficker und Downadup](https://www.jan-siefken.com/virus-kido/) - Published: 2009-04-15 - Modified: 2009-04-15 - URL: https://www.jan-siefken.com/virus-kido/ - [The Most Refreshing Videos on YouTube](https://www.jan-siefken.com/poptub/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/poptub/ - [Browser Nutzung – Umfrage Statistik](https://www.jan-siefken.com/browser-nutzung/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/browser-nutzung/ - [MP3 Musik zum download ohne DRM](https://www.jan-siefken.com/mp3-download/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/mp3-download/ - [Twitter ist bei deutschen Jugendlichen unbeliebt](https://www.jan-siefken.com/twitter-studie/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/twitter-studie/ - [Social networking – Sicherheit bei Web 2.0 Communities](https://www.jan-siefken.com/social-networking-sicherheit/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/social-networking-sicherheit/ - [Windows XP – Microsoft Mainstream-Support endet](https://www.jan-siefken.com/windows-xp-support/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/windows-xp-support/ - [NDR startet Mediathek mit Videos und Audio Files](https://www.jan-siefken.com/ndr-mediathek/) - Published: 2009-04-14 - Modified: 2009-04-14 - URL: https://www.jan-siefken.com/ndr-mediathek/ - [MySpace und Stern suchen die Stars von morgen](https://www.jan-siefken.com/stern-myspace-stars/) - Published: 2009-04-09 - Modified: 2009-04-09 - URL: https://www.jan-siefken.com/stern-myspace-stars/ - [Finanzkrise anderes Konsumverhalten – neue Wege im Marketing](https://www.jan-siefken.com/finanzkrise-konsumverhalten/) - Published: 2009-04-09 - Modified: 2009-04-09 - URL: https://www.jan-siefken.com/finanzkrise-konsumverhalten/ - [Internetsperren – Fragwuerdige Argumente](https://www.jan-siefken.com/internet-sperren/) - Published: 2009-04-09 - Modified: 2009-04-09 - URL: https://www.jan-siefken.com/internet-sperren/ - [Ostern PC Spiel Chicken Shoot Game](https://www.jan-siefken.com/ostern-pc-spiel/) - Published: 2009-04-08 - Modified: 2009-04-08 - URL: https://www.jan-siefken.com/ostern-pc-spiel/ - [7-Zip – kostenloses Packprogramm](https://www.jan-siefken.com/7-zip/) - Published: 2009-04-07 - Modified: 2009-04-07 - URL: https://www.jan-siefken.com/7-zip/ - [Mozilla plant neuen Browser Firefox.next „Namoroka“](https://www.jan-siefken.com/firefoxnext-namoroka/) - Published: 2009-04-07 - Modified: 2009-04-07 - URL: https://www.jan-siefken.com/firefoxnext-namoroka/ - [Harald Schmidt ueber Ex-Kompagnon Oliver Pocher](https://www.jan-siefken.com/harald-schmidt/) - Published: 2009-04-07 - Modified: 2009-04-07 - URL: https://www.jan-siefken.com/harald-schmidt/ - [Microsoft Windows XP – nur noch eingeschraenkter Support](https://www.jan-siefken.com/windows-xp/) - Published: 2009-04-06 - Modified: 2009-04-06 - URL: https://www.jan-siefken.com/windows-xp/ - [X-Men Origins – Wolverine im Kino](https://www.jan-siefken.com/wolverine/) - Published: 2009-04-06 - Modified: 2009-04-06 - URL: https://www.jan-siefken.com/wolverine/ - [Der Pate 2 – PC Action Spiel](https://www.jan-siefken.com/der-pate-2-pc-action-spiel/) - Published: 2009-04-06 - Modified: 2009-04-06 - URL: https://www.jan-siefken.com/der-pate-2-pc-action-spiel/ - [Trend zum E-Recruiting bei der der Personalbeschaffung](https://www.jan-siefken.com/e-recruiting/) - Published: 2009-04-06 - Modified: 2009-04-06 - URL: https://www.jan-siefken.com/e-recruiting/ - [Was ist Twitter – Twouble with Twitter – Video](https://www.jan-siefken.com/twitter-video/) - Published: 2009-04-03 - Modified: 2009-04-03 - URL: https://www.jan-siefken.com/twitter-video/ - [NVIDIA GeForce GTX 275 – neue Grafikkarte](https://www.jan-siefken.com/nvidia-geforce-gtx-275/) - Published: 2009-04-03 - Modified: 2009-04-03 - URL: https://www.jan-siefken.com/nvidia-geforce-gtx-275/ - [Adobe Photoshop CS4 – Kompendium](https://www.jan-siefken.com/adobe-photoshop-cs4-2/) - Published: 2009-04-03 - Modified: 2009-04-03 - URL: https://www.jan-siefken.com/adobe-photoshop-cs4-2/ - [Breitband Internet – Telekom ueberprueft Investitionen](https://www.jan-siefken.com/breitband-internet-telekom/) - Published: 2009-04-02 - Modified: 2009-04-02 - URL: https://www.jan-siefken.com/breitband-internet-telekom/ - [sevenload startet neue Videoportale in Asien](https://www.jan-siefken.com/sevenload/) - Published: 2009-04-02 - Modified: 2009-04-02 - URL: https://www.jan-siefken.com/sevenload/ - [Klarmobil schaltet unbliebtes Forum ab](https://www.jan-siefken.com/klarmobil/) - Published: 2009-04-02 - Modified: 2009-04-02 - URL: https://www.jan-siefken.com/klarmobil/ - [Notebooks unter 1000 Euro im Test](https://www.jan-siefken.com/notebooks/) - Published: 2009-04-02 - Modified: 2009-04-02 - URL: https://www.jan-siefken.com/notebooks/ - [Videolan Mediaplayer VLC neue Version 0.9.9](https://www.jan-siefken.com/videolan-mediaplayer-vlc/) - Published: 2009-04-01 - Modified: 2009-04-01 - URL: https://www.jan-siefken.com/videolan-mediaplayer-vlc/ - [ARD Radio Tatort – neues MP3 Hoerbuch zum download](https://www.jan-siefken.com/radio-tatort-hoerbuch/) - Published: 2009-04-01 - Modified: 2009-04-01 - URL: https://www.jan-siefken.com/radio-tatort-hoerbuch/ - [Ermittler-Debakel um das „Phantom von Heilbronn“](https://www.jan-siefken.com/phantom-von-heilbronn/) - Published: 2009-04-01 - Modified: 2009-04-01 - URL: https://www.jan-siefken.com/phantom-von-heilbronn/ - [YouTube sperrt Musikvideos in Deutschland](https://www.jan-siefken.com/youtube-musikvideos-gema/) - Published: 2009-04-01 - Modified: 2009-04-01 - URL: https://www.jan-siefken.com/youtube-musikvideos-gema/ - [Wikia Search soll geschlossen werden](https://www.jan-siefken.com/wikia-search/) - Published: 2009-04-01 - Modified: 2009-04-01 - URL: https://www.jan-siefken.com/wikia-search/ - [Arcor Internet-by-Call-Flatrate – neue Preise](https://www.jan-siefken.com/arcor-internet-by-call-flatrate/) - Published: 2009-03-31 - Modified: 2009-03-31 - URL: https://www.jan-siefken.com/arcor-internet-by-call-flatrate/ - [Fussball Wettmanipulation – angeblich auch bei HSV](https://www.jan-siefken.com/fussball-wettmanipulation/) - Published: 2009-03-31 - Modified: 2009-03-31 - URL: https://www.jan-siefken.com/fussball-wettmanipulation/ - [ASUS Eee PC 1000HE – Mini-Notebook](https://www.jan-siefken.com/asus-eee-pc-1000he/) - Published: 2009-03-31 - Modified: 2009-03-31 - URL: https://www.jan-siefken.com/asus-eee-pc-1000he/ - [Ostern Freeware 3D Spiel Ostereier Shooter](https://www.jan-siefken.com/ostern-freeware-3d-spiel/) - Published: 2009-03-31 - Modified: 2012-07-29 - URL: https://www.jan-siefken.com/ostern-freeware-3d-spiel/ - [Panda Antivirus Pro 2009 Beta fuer Windows 7](https://www.jan-siefken.com/antivirus-windows-7/) - Published: 2009-03-31 - Modified: 2009-03-31 - URL: https://www.jan-siefken.com/antivirus-windows-7/ - [Twitter-Addons fuer Unternehmen – TweetFunnel](https://www.jan-siefken.com/twitter-addons/) - Published: 2009-03-31 - Modified: 2009-03-31 - URL: https://www.jan-siefken.com/twitter-addons/ - [Schaeuble: Virtuelle Welt baut Hemmschwellen ab](https://www.jan-siefken.com/schaeuble-virtuelle-welt/) - Published: 2009-03-31 - Modified: 2009-03-31 - URL: https://www.jan-siefken.com/schaeuble-virtuelle-welt/ - [Eurythmics – Here Comes The Rain Again – Musikvideo](https://www.jan-siefken.com/eurythmics/) - Published: 2009-03-30 - Modified: 2009-03-30 - URL: https://www.jan-siefken.com/eurythmics/ - [Intel neue Server-Prozessoren der Xeon-5500-Serie](https://www.jan-siefken.com/intel-server-prozessoren/) - Published: 2009-03-30 - Modified: 2009-03-30 - URL: https://www.jan-siefken.com/intel-server-prozessoren/ - [Steuerrecht nachbessern um Finanzkrise zu entschaerfen](https://www.jan-siefken.com/steuern-finanzkrise/) - Published: 2009-03-30 - Modified: 2009-03-30 - URL: https://www.jan-siefken.com/steuern-finanzkrise/ - [Wie IT-Hersteller, Computer-Haendler und Dienstleister tricksen](https://www.jan-siefken.com/reklametricks-it-branche/) - Published: 2009-03-30 - Modified: 2009-03-30 - URL: https://www.jan-siefken.com/reklametricks-it-branche/ - [Neue Firefox Version 3.0.8 zum Download verfuegbar](https://www.jan-siefken.com/firefox-308/) - Published: 2009-03-29 - Modified: 2009-03-29 - URL: https://www.jan-siefken.com/firefox-308/ - [Schlaegt Computer-Virus „Conficker“ am 1. April zu?](https://www.jan-siefken.com/conficker/) - Published: 2009-03-29 - Modified: 2009-03-29 - URL: https://www.jan-siefken.com/conficker/ - [Antivirus Software G Data InternetSecurity gewinnt Test](https://www.jan-siefken.com/antivirus-software/) - Published: 2009-03-29 - Modified: 2009-03-29 - URL: https://www.jan-siefken.com/antivirus-software/ - [BattleForge Demo vom Echtzeit-Strategie Spiel](https://www.jan-siefken.com/battleforge-demo/) - Published: 2009-03-29 - Modified: 2009-03-29 - URL: https://www.jan-siefken.com/battleforge-demo/ - [Deutsche Bahn Daten-Affaire – angeblich auch Journalisten bespitzelt](https://www.jan-siefken.com/deutsche-bahn-daten-affaire/) - Published: 2009-03-29 - Modified: 2009-03-29 - URL: https://www.jan-siefken.com/deutsche-bahn-daten-affaire/ - [Twitter – „Ghostwriter“ als Marketing-Instrument der Superstars](https://www.jan-siefken.com/twitter-ghostwriter-stars/) - Published: 2009-03-29 - Modified: 2009-03-29 - URL: https://www.jan-siefken.com/twitter-ghostwriter-stars/ - [Microsoft – Shopping for Hardware versus Apple](https://www.jan-siefken.com/microsoft-shopping/) - Published: 2009-03-27 - Modified: 2009-03-27 - URL: https://www.jan-siefken.com/microsoft-shopping/ - [WLAN WPA-Verschluesselung heimlich ausgeschaltet](https://www.jan-siefken.com/wlan-wpa-verschluesselung/) - Published: 2009-03-27 - Modified: 2009-03-27 - URL: https://www.jan-siefken.com/wlan-wpa-verschluesselung/ - [Fuer welches Mobilfunkunternehmen wuerden Sie werben?](https://www.jan-siefken.com/mobilfunk-werbung/) - Published: 2009-03-27 - Modified: 2009-03-27 - URL: https://www.jan-siefken.com/mobilfunk-werbung/ - [Wird sich das E-Book in Deutschland durchsetzen?](https://www.jan-siefken.com/e-book-durchsetzen/) - Published: 2009-03-27 - Modified: 2009-03-27 - URL: https://www.jan-siefken.com/e-book-durchsetzen/ - [Beginn der Sommerzeit](https://www.jan-siefken.com/beginn-der-sommerzeit/) - Published: 2009-03-27 - Modified: 2009-03-27 - URL: https://www.jan-siefken.com/beginn-der-sommerzeit/ - [Resident Evil 5 Trailer](https://www.jan-siefken.com/resident-evil-5/) - Published: 2009-03-27 - Modified: 2009-03-27 - URL: https://www.jan-siefken.com/resident-evil-5/ - [WordPress Plugins Linkliste](https://www.jan-siefken.com/wordpress-plugins/) - Published: 2009-03-27 - Modified: 2025-07-08 - URL: https://www.jan-siefken.com/wordpress-plugins/ - [Mini PC – Shuttle XPC H7 4500H mit DVB-S-Empfang](https://www.jan-siefken.com/mini-pc-shuttle/) - Published: 2009-03-26 - Modified: 2009-03-26 - URL: https://www.jan-siefken.com/mini-pc-shuttle/ - [Gema freie Musik fuer Videos auf DVD](https://www.jan-siefken.com/gema-freie-musik-fuer-videos-auf-dvd/) - Published: 2009-03-26 - Modified: 2009-03-26 - URL: https://www.jan-siefken.com/gema-freie-musik-fuer-videos-auf-dvd/ - [Call of Duty: Modern Warfare 2 Video Trailer](https://www.jan-siefken.com/call-of-duty/) - Published: 2009-03-26 - Modified: 2009-03-26 - URL: https://www.jan-siefken.com/call-of-duty/ - [Joost Internet-TV in Deutschland ist online](https://www.jan-siefken.com/joost-internet-tv/) - Published: 2009-03-26 - Modified: 2009-03-26 - URL: https://www.jan-siefken.com/joost-internet-tv/ - [Rettung Skandalbank Hypo Real Estate noch teurer](https://www.jan-siefken.com/hypo-real-estate/) - Published: 2009-03-25 - Modified: 2009-03-25 - URL: https://www.jan-siefken.com/hypo-real-estate/ - [Damn Small Linux – 50 MB Betriebssystem](https://www.jan-siefken.com/damn-small-linux/) - Published: 2009-03-24 - Modified: 2009-03-24 - URL: https://www.jan-siefken.com/damn-small-linux/ - [Einheitliche Behoerdenrufnummer 115 startet](https://www.jan-siefken.com/behoerdenrufnummer-115/) - Published: 2009-03-24 - Modified: 2009-03-24 - URL: https://www.jan-siefken.com/behoerdenrufnummer-115/ - [Malware im BIOS – dauerhafter Virus moeglich](https://www.jan-siefken.com/malware-bios-virus/) - Published: 2009-03-24 - Modified: 2009-03-24 - URL: https://www.jan-siefken.com/malware-bios-virus/ - [China: Media Markt und Foxconn schliessen Partnerschaft](https://www.jan-siefken.com/media-markt-foxconn-china/) - Published: 2009-03-24 - Modified: 2009-03-24 - URL: https://www.jan-siefken.com/media-markt-foxconn-china/ - [Need for Speed – Shift Developer Interview](https://www.jan-siefken.com/need-for-speed-shift/) - Published: 2009-03-23 - Modified: 2009-03-23 - URL: https://www.jan-siefken.com/need-for-speed-shift/ - [Onlinedurchsuchung soll ausgeweitet werden](https://www.jan-siefken.com/onlinedurchsuchung-soll-ausgeweitet-werden/) - Published: 2009-03-23 - Modified: 2009-03-23 - URL: https://www.jan-siefken.com/onlinedurchsuchung-soll-ausgeweitet-werden/ - [Dell Cloud-Server mit Nehalem-Prozessor](https://www.jan-siefken.com/cloud-server-nehalem-prozessor/) - Published: 2009-03-23 - Modified: 2009-03-23 - URL: https://www.jan-siefken.com/cloud-server-nehalem-prozessor/ - [Studie European Trusted Brands 2009](https://www.jan-siefken.com/studie-european-trusted-brands-2009/) - Published: 2009-03-23 - Modified: 2009-03-23 - URL: https://www.jan-siefken.com/studie-european-trusted-brands-2009/ - [Adobe Photoshop CS4 – Video-Training](https://www.jan-siefken.com/adobe-photoshop-cs4/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/adobe-photoshop-cs4/ - [Internet Explorer 8 Add-On Wettbewerb](https://www.jan-siefken.com/internet-explorer-8-empower/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/internet-explorer-8-empower/ - [Internet Explorer 8 – Kompatibilitaetsmodus-META-Tag](https://www.jan-siefken.com/internet-explorer-8-kompatibilitaet/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/internet-explorer-8-kompatibilitaet/ - [Alice Mobilfunk jetzt auch ohne DSL-Anschluss](https://www.jan-siefken.com/alice/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/alice/ - [K-Meleon – schnelle Browser Alternative](https://www.jan-siefken.com/k-meleon-browser/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/k-meleon-browser/ - [Werbung trotz Wirtschaftskrise?](https://www.jan-siefken.com/werbung-trotz-wirtschaftskrise/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/werbung-trotz-wirtschaftskrise/ - [Winnenden – Geisel vom Amoklaeufer verhinderte groesseres Blutbad](https://www.jan-siefken.com/winnenden/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/winnenden/ - [TV-News in der Krise – Internet laesst Quoten sinken](https://www.jan-siefken.com/tv-news-krise-internet/) - Published: 2009-03-20 - Modified: 2009-03-20 - URL: https://www.jan-siefken.com/tv-news-krise-internet/ - [Set Me Free – Empty Rooms](https://www.jan-siefken.com/set-me-free-empty-rooms/) - Published: 2009-03-19 - Modified: 2009-03-19 - URL: https://www.jan-siefken.com/set-me-free-empty-rooms/ - [Internet Explorer 8 im Test – Video](https://www.jan-siefken.com/internet-explorer-8-test-video/) - Published: 2009-03-19 - Modified: 2009-03-19 - URL: https://www.jan-siefken.com/internet-explorer-8-test-video/ - [My Bloody Valentine – neu im Kino](https://www.jan-siefken.com/my-bloody-valentine/) - Published: 2009-03-19 - Modified: 2009-03-19 - URL: https://www.jan-siefken.com/my-bloody-valentine/ - [Internet Explorer 8 Finalversion zum download](https://www.jan-siefken.com/internet-explorer-8-final/) - Published: 2009-03-19 - Modified: 2009-03-19 - URL: https://www.jan-siefken.com/internet-explorer-8-final/ - [IBM will eventuell Sun Microsystems kaufen](https://www.jan-siefken.com/ibm-will-eventuell-sun-microsystems-kaufen/) - Published: 2009-03-18 - Modified: 2009-03-18 - URL: https://www.jan-siefken.com/ibm-will-eventuell-sun-microsystems-kaufen/ - [DocMorris – Mehrwertsteuer kein Wettbewerbsvorteil](https://www.jan-siefken.com/docmorris/) - Published: 2009-03-18 - Modified: 2009-03-18 - URL: https://www.jan-siefken.com/docmorris/ - [Computerspiele als Risikofaktor fuer Gewalttaten?](https://www.jan-siefken.com/computerspiele-risikofaktor/) - Published: 2009-03-18 - Modified: 2009-03-18 - URL: https://www.jan-siefken.com/computerspiele-risikofaktor/ - [Die Computer-Kids steigen ins Berufsleben ein](https://www.jan-siefken.com/die-computer-kids-steigen-ins-berufsleben-ein/) - Published: 2009-03-18 - Modified: 2009-03-18 - URL: https://www.jan-siefken.com/die-computer-kids-steigen-ins-berufsleben-ein/ - [Videokonferenzen – Europa laeuft Trend hinterher](https://www.jan-siefken.com/videokonferenzen/) - Published: 2009-03-17 - Modified: 2009-03-17 - URL: https://www.jan-siefken.com/videokonferenzen/ - [Kundenzufriedenheit im Online-Banking ausbaufaehig](https://www.jan-siefken.com/kundenzufriedenheit-online-banking/) - Published: 2009-03-17 - Modified: 2009-03-17 - URL: https://www.jan-siefken.com/kundenzufriedenheit-online-banking/ - [Gimme Shelter – Spendenaufruf fuer Kongo auf Youtube](https://www.jan-siefken.com/gimme-shelter/) - Published: 2009-03-17 - Modified: 2009-03-17 - URL: https://www.jan-siefken.com/gimme-shelter/ - [Videokonverter als Freeware oder Open-Source](https://www.jan-siefken.com/videokonverter/) - Published: 2009-03-16 - Modified: 2009-03-16 - URL: https://www.jan-siefken.com/videokonverter/ - [Amoklauf Winnenden – Wie gefaehrlich sind Killerspiele?](https://www.jan-siefken.com/amoklauf-winnenden-killerspiele/) - Published: 2009-03-16 - Modified: 2009-03-16 - URL: https://www.jan-siefken.com/amoklauf-winnenden-killerspiele/ - [Bebo – AOL startet Social Network in Deutschland](https://www.jan-siefken.com/bebo/) - Published: 2009-03-16 - Modified: 2009-03-16 - URL: https://www.jan-siefken.com/bebo/ - [Leipziger Buchmesse 2009 – Video](https://www.jan-siefken.com/leipziger-buchmesse-2009-video/) - Published: 2009-03-14 - Modified: 2009-03-14 - URL: https://www.jan-siefken.com/leipziger-buchmesse-2009-video/ - [Leipziger Buchmesse 2009 – Livestream](https://www.jan-siefken.com/leipziger-buchmesse-livestream/) - Published: 2009-03-13 - Modified: 2009-03-13 - URL: https://www.jan-siefken.com/leipziger-buchmesse-livestream/ - [Internet Explorer 8 laut Microsoft schneller Browser](https://www.jan-siefken.com/internet-explorer-8-browser/) - Published: 2009-03-13 - Modified: 2009-03-13 - URL: https://www.jan-siefken.com/internet-explorer-8-browser/ - [Deutscher Filmpreis 2009](https://www.jan-siefken.com/deutscher-filmpreis-2009/) - Published: 2009-03-13 - Modified: 2009-03-13 - URL: https://www.jan-siefken.com/deutscher-filmpreis-2009/ - [Webkonferenzen und Live-Praesentationen ueber Internet](https://www.jan-siefken.com/webkonferenzen/) - Published: 2009-03-13 - Modified: 2009-03-13 - URL: https://www.jan-siefken.com/webkonferenzen/ - [Leipziger Buchmesse – Interview Podcast](https://www.jan-siefken.com/leipziger-buchmesse-podcast/) - Published: 2009-03-13 - Modified: 2009-03-13 - URL: https://www.jan-siefken.com/leipziger-buchmesse-podcast/ - [Preis der Leipziger Buchmesse 2009](https://www.jan-siefken.com/preis-der-leipziger-buchmesse-2009/) - Published: 2009-03-13 - Modified: 2009-03-13 - URL: https://www.jan-siefken.com/preis-der-leipziger-buchmesse-2009/ - [Amoklauf von Winnenden – Talk bei Domian – Video](https://www.jan-siefken.com/winnenden-video-domian/) - Published: 2009-03-12 - Modified: 2009-03-12 - URL: https://www.jan-siefken.com/winnenden-video-domian/ - [Mikogo – Screen Sharing Online Meeting Tool](https://www.jan-siefken.com/mikogo/) - Published: 2009-03-12 - Modified: 2009-03-12 - URL: https://www.jan-siefken.com/mikogo/ - [Werden E-Book Reader sich am Buchmarkt durchsetzen?](https://www.jan-siefken.com/e-book-reader/) - Published: 2009-03-11 - Modified: 2009-03-11 - URL: https://www.jan-siefken.com/e-book-reader/ - [Adobe Reader 9 – Acrobat – Sicherheitsupdate](https://www.jan-siefken.com/adobe-reader/) - Published: 2009-03-11 - Modified: 2009-03-11 - URL: https://www.jan-siefken.com/adobe-reader/ - [Cloud Computing – was ist das eigentlich?](https://www.jan-siefken.com/cloud-computing-2/) - Published: 2009-03-11 - Modified: 2009-03-11 - URL: https://www.jan-siefken.com/cloud-computing-2/ - [Flickr bietet Fotos auf gettyimages an](https://www.jan-siefken.com/flickr-fotos/) - Published: 2009-03-11 - Modified: 2009-05-26 - URL: https://www.jan-siefken.com/flickr-fotos/ - [Terminator 4 Salvation – Kino Trailer](https://www.jan-siefken.com/terminator-4/) - Published: 2009-03-11 - Modified: 2009-03-11 - URL: https://www.jan-siefken.com/terminator-4/ - [Sony E-Book-Reader PRS-505](https://www.jan-siefken.com/sony-e-book-reader-prs-505/) - Published: 2009-03-10 - Modified: 2009-03-10 - URL: https://www.jan-siefken.com/sony-e-book-reader-prs-505/ - [Haftung Forenbetreiber bei Nutzerbeitraegen](https://www.jan-siefken.com/haftung-forenbetreiber-bei-nutzerbeitraegen/) - Published: 2009-03-10 - Modified: 2009-03-10 - URL: https://www.jan-siefken.com/haftung-forenbetreiber-bei-nutzerbeitraegen/ - [Entwicklung digitales Pay-TV und IPTV](https://www.jan-siefken.com/digitales-pay-tv-iptv/) - Published: 2009-03-10 - Modified: 2009-03-10 - URL: https://www.jan-siefken.com/digitales-pay-tv-iptv/ - [Free CD to MP3 Converter Software](https://www.jan-siefken.com/cd-mp3-converter/) - Published: 2009-03-10 - Modified: 2009-03-10 - URL: https://www.jan-siefken.com/cd-mp3-converter/ - [Tom Clancy’s H.A.W.X. – PC Spiel](https://www.jan-siefken.com/tom-clancys-hawx/) - Published: 2009-03-10 - Modified: 2009-03-10 - URL: https://www.jan-siefken.com/tom-clancys-hawx/ - [BFG GeForce GTX 285 H2O Grafikkarte](https://www.jan-siefken.com/h2o-grafikkarte/) - Published: 2009-03-10 - Modified: 2009-03-10 - URL: https://www.jan-siefken.com/h2o-grafikkarte/ - [HD Camcorder MEDION life P47002 bei Aldi](https://www.jan-siefken.com/hd-camcorder/) - Published: 2009-03-06 - Modified: 2009-03-06 - URL: https://www.jan-siefken.com/hd-camcorder/ - [CeBIT 2009 – ASUS zeigt kabellosen LCD-Monitor](https://www.jan-siefken.com/cebit-2009-asus-lcd-monitor/) - Published: 2009-03-06 - Modified: 2009-05-26 - URL: https://www.jan-siefken.com/cebit-2009-asus-lcd-monitor/ - [E-Mails und Newsletter im Spamfilter](https://www.jan-siefken.com/e-mail-newsletter-spamfilter/) - Published: 2009-03-06 - Modified: 2009-03-06 - URL: https://www.jan-siefken.com/e-mail-newsletter-spamfilter/ - [Firefox 3.0.7 – Sicherheitsluecken beseitigt](https://www.jan-siefken.com/firefox/) - Published: 2009-03-05 - Modified: 2009-03-05 - URL: https://www.jan-siefken.com/firefox/ - [Warhammer 40000 – Dawn of War 2 – Strategiespiel](https://www.jan-siefken.com/warhammer-40000/) - Published: 2009-03-05 - Modified: 2009-03-05 - URL: https://www.jan-siefken.com/warhammer-40000/ - [Greys Anatomy – als PC Spiel](https://www.jan-siefken.com/greys-anatomy-als-pc-spiel/) - Published: 2009-03-05 - Modified: 2009-03-05 - URL: https://www.jan-siefken.com/greys-anatomy-als-pc-spiel/ - [Digitalkamera Rollei XS-8 Crystal](https://www.jan-siefken.com/digitalkamera-rollei-xs-8-crystal/) - Published: 2009-03-05 - Modified: 2009-03-05 - URL: https://www.jan-siefken.com/digitalkamera-rollei-xs-8-crystal/ - [ARD startet YouTube-Channel](https://www.jan-siefken.com/ard-startet-youtube-channel/) - Published: 2009-03-05 - Modified: 2009-03-05 - URL: https://www.jan-siefken.com/ard-startet-youtube-channel/ - [Cloud Computing – IT-Ressourcen „aus der Wolke“](https://www.jan-siefken.com/cloud-computing/) - Published: 2009-03-04 - Modified: 2009-03-04 - URL: https://www.jan-siefken.com/cloud-computing/ - [Apple Mac Pro mit Intel „Nehalem“ Xeon Prozessor](https://www.jan-siefken.com/apple-mac-pro/) - Published: 2009-03-03 - Modified: 2009-03-03 - URL: https://www.jan-siefken.com/apple-mac-pro/ - [Apple iPod touch – iPhone Software NDR Radio](https://www.jan-siefken.com/apple-ipod-touch-iphone/) - Published: 2009-03-02 - Modified: 2009-03-02 - URL: https://www.jan-siefken.com/apple-ipod-touch-iphone/ - [Beim Notebook auf den Einsatzzweck achten](https://www.jan-siefken.com/notebook/) - Published: 2009-03-02 - Modified: 2009-03-02 - URL: https://www.jan-siefken.com/notebook/ - [Ericsson und Vodafone auf der CeBIT](https://www.jan-siefken.com/ericsson-und-vodafone-auf-der-cebit/) - Published: 2009-03-02 - Modified: 2009-03-02 - URL: https://www.jan-siefken.com/ericsson-und-vodafone-auf-der-cebit/ - [Der Vorleser mit Kate Winslet](https://www.jan-siefken.com/der-vorleser-mit-kate-winslet/) - Published: 2009-03-01 - Modified: 2009-03-01 - URL: https://www.jan-siefken.com/der-vorleser-mit-kate-winslet/ - [Miniprojektoren mit LED-Technik](https://www.jan-siefken.com/miniprojektoren-mit-led-technik/) - Published: 2009-03-01 - Modified: 2009-03-01 - URL: https://www.jan-siefken.com/miniprojektoren-mit-led-technik/ - [Gran Torino – neuer Film mit Clint Eastwood](https://www.jan-siefken.com/gran-torino-clint-eastwood/) - Published: 2009-02-25 - Modified: 2009-02-25 - URL: https://www.jan-siefken.com/gran-torino-clint-eastwood/ - [Bild-Zeitung startet Promi-Werbekampagne](https://www.jan-siefken.com/bild-zeitung-startet-promi-werbekampagne/) - Published: 2009-02-25 - Modified: 2009-02-25 - URL: https://www.jan-siefken.com/bild-zeitung-startet-promi-werbekampagne/ - [Polarkreis 18 – Colour Of Snow](https://www.jan-siefken.com/polarkreis-18-colour-of-snow/) - Published: 2009-02-19 - Modified: 2009-02-19 - URL: https://www.jan-siefken.com/polarkreis-18-colour-of-snow/ - [Acer Netbook Aspire one D150](https://www.jan-siefken.com/acer-netbook-aspire-one-d150/) - Published: 2009-02-18 - Modified: 2009-02-18 - URL: https://www.jan-siefken.com/acer-netbook-aspire-one-d150/ - [Weltraumfluege fuer jedermann](https://www.jan-siefken.com/weltraumfluege/) - Published: 2009-02-18 - Modified: 2009-02-18 - URL: https://www.jan-siefken.com/weltraumfluege/ - [HP 2133 Mininote – preiswertes Mininotebook](https://www.jan-siefken.com/hp-2133-mininote-preiswertes-mininotebook/) - Published: 2009-02-18 - Modified: 2009-02-18 - URL: https://www.jan-siefken.com/hp-2133-mininote-preiswertes-mininotebook/ - [The Netsize Guide 2009](https://www.jan-siefken.com/the-netsize-guide-2009/) - Published: 2009-02-18 - Modified: 2009-02-18 - URL: https://www.jan-siefken.com/the-netsize-guide-2009/ - [Bernhard Brink – kein Dschungelcamp](https://www.jan-siefken.com/bernhard-brink-kein-dschungelcamp/) - Published: 2009-02-18 - Modified: 2009-02-18 - URL: https://www.jan-siefken.com/bernhard-brink-kein-dschungelcamp/ - [iPoint 3D – Fernbedienung wie in Science-Fiction-Film](https://www.jan-siefken.com/ipoint-3d/) - Published: 2009-02-18 - Modified: 2009-02-18 - URL: https://www.jan-siefken.com/ipoint-3d/ - [Polarkreis 18 – Allein Allein](https://www.jan-siefken.com/polarkreis-18-allein-allein/) - Published: 2009-02-17 - Modified: 2009-02-17 - URL: https://www.jan-siefken.com/polarkreis-18-allein-allein/ - [Gamingsender Giga wird eingestellt](https://www.jan-siefken.com/gamingsender-giga-wird-eingestellt/) - Published: 2009-02-13 - Modified: 2009-02-13 - URL: https://www.jan-siefken.com/gamingsender-giga-wird-eingestellt/ - [Battlefield 1943 – Pacific Trailer](https://www.jan-siefken.com/battlefield-1943-pacific-trailer/) - Published: 2009-02-13 - Modified: 2009-02-13 - URL: https://www.jan-siefken.com/battlefield-1943-pacific-trailer/ - [Software Made in Germany](https://www.jan-siefken.com/software-made-in-germany/) - Published: 2009-02-13 - Modified: 2009-02-13 - URL: https://www.jan-siefken.com/software-made-in-germany/ - [Mediaplayer DVB-T-Fernseher – SDHC-Videorecorder](https://www.jan-siefken.com/mediaplayer-dvb-t-fernseher-sdhc-videorecorder/) - Published: 2009-02-13 - Modified: 2009-02-13 - URL: https://www.jan-siefken.com/mediaplayer-dvb-t-fernseher-sdhc-videorecorder/ - [ZDF baut Engagement auf YouTube aus](https://www.jan-siefken.com/zdf-baut-engagement-auf-youtube-aus/) - Published: 2009-02-13 - Modified: 2009-02-13 - URL: https://www.jan-siefken.com/zdf-baut-engagement-auf-youtube-aus/ - [Windows Internet Explorer 8 – Beta](https://www.jan-siefken.com/windows-internet-explorer-8-beta/) - Published: 2009-01-28 - Modified: 2009-03-03 - URL: https://www.jan-siefken.com/windows-internet-explorer-8-beta/ - [Finanzmanagement als Erfolgsfaktor](https://www.jan-siefken.com/finanzmanagement-als-erfolgsfaktor/) - Published: 2009-01-12 - Modified: 2009-01-12 - URL: https://www.jan-siefken.com/finanzmanagement-als-erfolgsfaktor/ - [KfW-ifo-Mittelstandsbarometer](https://www.jan-siefken.com/kfw-ifo-mittelstandsbarometer/) - Published: 2009-01-12 - Modified: 2009-01-12 - URL: https://www.jan-siefken.com/kfw-ifo-mittelstandsbarometer/ - [Ego Shooter World of Padman – Xmas Version](https://www.jan-siefken.com/ego-shooter-world-of-padman-xmas-version/) - Published: 2008-12-04 - Modified: 2008-12-04 - URL: https://www.jan-siefken.com/ego-shooter-world-of-padman-xmas-version/ - [Asus Eee PC – Spiele – Pinguinrennen](https://www.jan-siefken.com/eee-pc-spiele/) - Published: 2008-11-12 - Modified: 2012-07-29 - URL: https://www.jan-siefken.com/eee-pc-spiele/ - [Left 4 Dead – Demo download](https://www.jan-siefken.com/left-4-dead-demo-download/) - Published: 2008-11-06 - Modified: 2012-07-29 - URL: https://www.jan-siefken.com/left-4-dead-demo-download/ - [Call of Duty – World at War](https://www.jan-siefken.com/call-of-duty-world-at-war/) - Published: 2008-11-05 - Modified: 2008-11-05 - URL: https://www.jan-siefken.com/call-of-duty-world-at-war/ - [Keltis Game – Strategiespiel PC-Spiel](https://www.jan-siefken.com/keltis-game-strategiespiel-pc-spiel/) - Published: 2008-11-05 - Modified: 2008-11-05 - URL: https://www.jan-siefken.com/keltis-game-strategiespiel-pc-spiel/ - [Finanzkrise und IT-Investitionen](https://www.jan-siefken.com/finanzkrise-und-it-investitionen/) - Published: 2008-11-03 - Modified: 2008-11-03 - URL: https://www.jan-siefken.com/finanzkrise-und-it-investitionen/ - [Finanzkrise steigert Online-Kriminalitaet](https://www.jan-siefken.com/finanzkrise-steigert-online-kriminalitaet/) - Published: 2008-10-29 - Modified: 2008-10-29 - URL: https://www.jan-siefken.com/finanzkrise-steigert-online-kriminalitaet/ - [Apple – MacBook – neues Design](https://www.jan-siefken.com/apple-macbook-neues-design/) - Published: 2008-10-15 - Modified: 2008-10-15 - URL: https://www.jan-siefken.com/apple-macbook-neues-design/ - [Adobe Flash Player 10](https://www.jan-siefken.com/adobe-flash-player-10/) - Published: 2008-10-15 - Modified: 2008-10-15 - URL: https://www.jan-siefken.com/adobe-flash-player-10/ - [3D Shooter Openarena auf Eee Pc](https://www.jan-siefken.com/3d-shooter-openarena-auf-eee-pc/) - Published: 2008-10-10 - Modified: 2008-10-10 - URL: https://www.jan-siefken.com/3d-shooter-openarena-auf-eee-pc/ - [Warhammer Online Game](https://www.jan-siefken.com/warhammer-online-game/) - Published: 2008-09-17 - Modified: 2008-09-17 - URL: https://www.jan-siefken.com/warhammer-online-game/ - [Tremulous – 3D-Shooter kostenlos mit Quake 3 Engine](https://www.jan-siefken.com/tremulous-3d-shooter-kostenlos-mit-quake-3-engine/) - Published: 2008-09-17 - Modified: 2025-06-26 - URL: https://www.jan-siefken.com/tremulous-3d-shooter-kostenlos-mit-quake-3-engine/ - [Mega Mario Freeware Super Mario Bros. 1 Clone](https://www.jan-siefken.com/mega-mario-freeware-super-mario-bros-1-clone/) - Published: 2008-09-17 - Modified: 2009-03-03 - URL: https://www.jan-siefken.com/mega-mario-freeware-super-mario-bros-1-clone/ - [CASIO Digitalkamera HIGH SPEED EXILIM EX-FH20](https://www.jan-siefken.com/casio-digitalkamera-high-speed-exilim-ex-fh20/) - Published: 2008-09-17 - Modified: 2008-09-17 - URL: https://www.jan-siefken.com/casio-digitalkamera-high-speed-exilim-ex-fh20/ - [Norton Internet Security und Norton AntiVirus](https://www.jan-siefken.com/norton-internet-security-und-norton-antivirus/) - Published: 2008-09-17 - Modified: 2008-09-17 - URL: https://www.jan-siefken.com/norton-internet-security-und-norton-antivirus/ - [Deutscher Buchpreis 2008](https://www.jan-siefken.com/deutscher-buchpreis-2008/) - Published: 2008-09-17 - Modified: 2008-09-17 - URL: https://www.jan-siefken.com/deutscher-buchpreis-2008/ - [E-Mail-Marketing – Studie](https://www.jan-siefken.com/e-mail-marketing-studie/) - Published: 2008-09-17 - Modified: 2008-09-17 - URL: https://www.jan-siefken.com/e-mail-marketing-studie/ - [CeBIT 2009](https://www.jan-siefken.com/cebit-2009/) - Published: 2008-09-17 - Modified: 2008-09-17 - URL: https://www.jan-siefken.com/cebit-2009/ - [Acer plant Smart-Phone wie iPhone](https://www.jan-siefken.com/acer-plant-smart-phone-wie-iphone/) - Published: 2008-09-16 - Modified: 2008-09-16 - URL: https://www.jan-siefken.com/acer-plant-smart-phone-wie-iphone/ - [Virenscanner – Antivirus-Software im Test](https://www.jan-siefken.com/virenscanner-antivirus-software-im-test/) - Published: 2008-09-16 - Modified: 2008-09-16 - URL: https://www.jan-siefken.com/virenscanner-antivirus-software-im-test/ - [Datensicherung – Backup durch Festplatten-Imager](https://www.jan-siefken.com/datensicherung-backup-durch-festplatten-imager/) - Published: 2008-09-16 - Modified: 2008-09-16 - URL: https://www.jan-siefken.com/datensicherung-backup-durch-festplatten-imager/ - [Intel Sechs-Kern-Prozessor „Dunnington“](https://www.jan-siefken.com/intel-sechs-kern-prozessor-dunnington/) - Published: 2008-09-16 - Modified: 2008-09-16 - URL: https://www.jan-siefken.com/intel-sechs-kern-prozessor-dunnington/ - [Dizzy Paul Onlinespiel](https://www.jan-siefken.com/dizzy-paul-onlinespiel/) - Published: 2008-09-14 - Modified: 2008-09-14 - URL: https://www.jan-siefken.com/dizzy-paul-onlinespiel/ - [SD Speicherkarte mit 32 GB](https://www.jan-siefken.com/sd-speicherkarte-mit-32-gb/) - Published: 2008-09-14 - Modified: 2008-09-14 - URL: https://www.jan-siefken.com/sd-speicherkarte-mit-32-gb/ - [FAR CRY 2 kommt unzensiert](https://www.jan-siefken.com/far-cry-2-kommt-unzensiert/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/far-cry-2-kommt-unzensiert/ - [Youtube – Video Musik als Mp3 runterladen](https://www.jan-siefken.com/youtube-video-musik-als-mp3-runterladen/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/youtube-video-musik-als-mp3-runterladen/ - [Left 4 Dead – neuer Trailer](https://www.jan-siefken.com/left-4-dead-neuer-trailer/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/left-4-dead-neuer-trailer/ - [Zusammenbruch des Internet](https://www.jan-siefken.com/zusammenbruch-des-internet/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/zusammenbruch-des-internet/ - [WD Scorpio Blue – Notebook-Festplatte mit 500 GB](https://www.jan-siefken.com/wd-scorpio-blue-notebook-festplatte-mit-500-gb/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/wd-scorpio-blue-notebook-festplatte-mit-500-gb/ - [„Stretch“-Supercomputer](https://www.jan-siefken.com/stretch-supercomputer/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/stretch-supercomputer/ - [YouTube – Warnung gefaelschte Webseiten](https://www.jan-siefken.com/youtube-warnung-gefaelschte-webseiten/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/youtube-warnung-gefaelschte-webseiten/ - [Social Network MySpace – Portal fuer Smartphones](https://www.jan-siefken.com/social-network-myspace-portal-fuer-smartphones/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/social-network-myspace-portal-fuer-smartphones/ - [Abgeltungssteuer](https://www.jan-siefken.com/abgeltungssteuer/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/abgeltungssteuer/ - [Action Ball 2 – PC Spiel](https://www.jan-siefken.com/action-ball-2-pc-spiel/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/action-ball-2-pc-spiel/ - [Web 2.0 Expo in Berlin](https://www.jan-siefken.com/web-20-expo-in-berlin/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/web-20-expo-in-berlin/ - [IT-Arbeitsmarkt 2008 – weniger Jobs](https://www.jan-siefken.com/it-arbeitsmarkt-2008-weniger-jobs/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/it-arbeitsmarkt-2008-weniger-jobs/ - [iTunes 8 bringt Windows Vista zum Absturz](https://www.jan-siefken.com/itunes-8-bringt-windows-vista-zum-absturz/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/itunes-8-bringt-windows-vista-zum-absturz/ - [Kaffee gegen Herz-Kreislauf-Erkrankungen](https://www.jan-siefken.com/kaffee-gegen-herz-kreislauf-erkrankungen/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/kaffee-gegen-herz-kreislauf-erkrankungen/ - [Topmodel Kate Moss im Interview](https://www.jan-siefken.com/topmodel-kate-moss-im-interview/) - Published: 2008-09-13 - Modified: 2008-09-13 - URL: https://www.jan-siefken.com/topmodel-kate-moss-im-interview/ - [Microsoft – Neue Markenkampagne fuer Windows](https://www.jan-siefken.com/microsoft-neue-markenkampagne-fuer-windows/) - Published: 2008-09-05 - Modified: 2008-09-05 - URL: https://www.jan-siefken.com/microsoft-neue-markenkampagne-fuer-windows/ - [Xbox 360 – Spielekonsole wird billiger](https://www.jan-siefken.com/xbox-360-spielekonsole-wird-billiger/) - Published: 2008-09-05 - Modified: 2008-09-05 - URL: https://www.jan-siefken.com/xbox-360-spielekonsole-wird-billiger/ - [„Killerspiele“ Verbot – Gamer prostestieren gegen Bayern](https://www.jan-siefken.com/killerspiele-verbot-gamer-prostestieren-gegen-bayern/) - Published: 2008-09-05 - Modified: 2008-09-05 - URL: https://www.jan-siefken.com/killerspiele-verbot-gamer-prostestieren-gegen-bayern/ - [Microsoft schliesst Sicherheitsluecken](https://www.jan-siefken.com/microsoft-schliesst-sicherheitsluecken/) - Published: 2008-09-05 - Modified: 2008-09-05 - URL: https://www.jan-siefken.com/microsoft-schliesst-sicherheitsluecken/ - [Studie: Die Aengste der Deutschen 2008](https://www.jan-siefken.com/studie-die-aengste-der-deutschen-2008/) - Published: 2008-09-05 - Modified: 2008-09-05 - URL: https://www.jan-siefken.com/studie-die-aengste-der-deutschen-2008/ - [Oktoberfest Bildschirmschoner](https://www.jan-siefken.com/oktoberfest-bildschirmschoner/) - Published: 2008-08-29 - Modified: 2008-08-29 - URL: https://www.jan-siefken.com/oktoberfest-bildschirmschoner/ - [Olympia 2008 – Die Olympischen Spiele online](https://www.jan-siefken.com/olympia-2008-die-olympischen-spiele-online/) - Published: 2008-08-21 - Modified: 2008-08-21 - URL: https://www.jan-siefken.com/olympia-2008-die-olympischen-spiele-online/ - [Asus Eee PC – guenstigere Preise](https://www.jan-siefken.com/asus-eee-pc-guenstigere-preise/) - Published: 2008-08-13 - Modified: 2008-08-13 - URL: https://www.jan-siefken.com/asus-eee-pc-guenstigere-preise/ - [Neues CeBIT Thema: „Internet – Mobile Solutions“](https://www.jan-siefken.com/neues-cebit-thema-internet-mobile-solutions/) - Published: 2008-08-13 - Modified: 2008-08-13 - URL: https://www.jan-siefken.com/neues-cebit-thema-internet-mobile-solutions/ - [Ben Kingsley zieht es nach Bollywood](https://www.jan-siefken.com/ben-kingsley-zieht-es-nach-bollywood/) - Published: 2008-08-13 - Modified: 2008-08-13 - URL: https://www.jan-siefken.com/ben-kingsley-zieht-es-nach-bollywood/ - [BILD Online zeigt Bundesliga-News mit Video im Internet](https://www.jan-siefken.com/bild-online-zeigt-bundesliga-news-mit-video-im-internet/) - Published: 2008-08-13 - Modified: 2008-08-13 - URL: https://www.jan-siefken.com/bild-online-zeigt-bundesliga-news-mit-video-im-internet/ - [Krimi – Der Frauenmoerder](https://www.jan-siefken.com/krimi-der-frauenmoerder/) - Published: 2008-08-13 - Modified: 2008-08-13 - URL: https://www.jan-siefken.com/krimi-der-frauenmoerder/ - [Denkspiele europaweit im Trend](https://www.jan-siefken.com/denkspiele-europaweit-im-trend/) - Published: 2008-08-08 - Modified: 2008-08-08 - URL: https://www.jan-siefken.com/denkspiele-europaweit-im-trend/ - [Olympia im Fernsehen](https://www.jan-siefken.com/olympia-im-fernsehen/) - Published: 2008-08-08 - Modified: 2008-08-08 - URL: https://www.jan-siefken.com/olympia-im-fernsehen/ - [Olympia live auf dem Handy](https://www.jan-siefken.com/olympia-live-auf-dem-handy/) - Published: 2008-08-08 - Modified: 2008-08-08 - URL: https://www.jan-siefken.com/olympia-live-auf-dem-handy/ - [Buch – Einfuehrung in Joomla](https://www.jan-siefken.com/buch-einfuehrung-in-joomla/) - Published: 2008-08-06 - Modified: 2008-08-06 - URL: https://www.jan-siefken.com/buch-einfuehrung-in-joomla/ - [Freeware contra Kaufsoftware](https://www.jan-siefken.com/freeware-contra-kaufsoftware/) - Published: 2008-08-06 - Modified: 2008-08-06 - URL: https://www.jan-siefken.com/freeware-contra-kaufsoftware/ - [Olympische Spiele 2008 – Sicherheit im Internet](https://www.jan-siefken.com/olympische-spiele-2008-sicherheit-im-internet/) - Published: 2008-08-06 - Modified: 2008-08-06 - URL: https://www.jan-siefken.com/olympische-spiele-2008-sicherheit-im-internet/ - [Urteil gegen GEZ-Gebuehren auf Computer](https://www.jan-siefken.com/urteil-gegen-gez-gebuehren-auf-computer/) - Published: 2008-07-30 - Modified: 2008-07-30 - URL: https://www.jan-siefken.com/urteil-gegen-gez-gebuehren-auf-computer/ - [Galaxy on Fire 2 – 3D-Weltraum-Shooter fuers Handy](https://www.jan-siefken.com/galaxy-on-fire-2-3d-weltraum-shooter-fuers-handy/) - Published: 2008-07-30 - Modified: 2008-07-30 - URL: https://www.jan-siefken.com/galaxy-on-fire-2-3d-weltraum-shooter-fuers-handy/ - [SPD fordert totales Rauchverbot](https://www.jan-siefken.com/spd-fordert-totales-rauchverbot/) - Published: 2008-07-30 - Modified: 2008-07-30 - URL: https://www.jan-siefken.com/spd-fordert-totales-rauchverbot/ - [Fussball-EM 2008 – Effekt auf Deutschlands Werbelandschaft](https://www.jan-siefken.com/fussball-em-2008-effekt-auf-deutschlands-werbelandschaft/) - Published: 2008-07-30 - Modified: 2008-07-30 - URL: https://www.jan-siefken.com/fussball-em-2008-effekt-auf-deutschlands-werbelandschaft/ - [mobile Audio-, Foto- und Text-Blogging-Anwendung](https://www.jan-siefken.com/mobile-audio-foto-und-text-blogging-anwendung/) - Published: 2008-07-30 - Modified: 2008-07-30 - URL: https://www.jan-siefken.com/mobile-audio-foto-und-text-blogging-anwendung/ - [Goetz George – Schimanski wird 70 – Video](https://www.jan-siefken.com/goetz-george-schimanski-wird-70-video/) - Published: 2008-07-23 - Modified: 2008-07-23 - URL: https://www.jan-siefken.com/goetz-george-schimanski-wird-70-video/ - [Computerviren Trojaner Virus Top10 – Juni 2008](https://www.jan-siefken.com/computerviren-trojaner-virus-top10-juni-2008/) - Published: 2008-07-14 - Modified: 2008-07-14 - URL: https://www.jan-siefken.com/computerviren-trojaner-virus-top10-juni-2008/ - [Neues Job- und Karriere-Portal](https://www.jan-siefken.com/neues-job-und-karriere-portal/) - Published: 2008-07-14 - Modified: 2008-07-14 - URL: https://www.jan-siefken.com/neues-job-und-karriere-portal/ - [Wie gefaehrdet sind Weltkultur- und Naturwunder?](https://www.jan-siefken.com/wie-gefaehrdet-sind-weltkultur-und-naturwunder/) - Published: 2008-07-12 - Modified: 2008-07-12 - URL: https://www.jan-siefken.com/wie-gefaehrdet-sind-weltkultur-und-naturwunder/ - [Medion Akoya Mini E1210 – Groesserer Akku](https://www.jan-siefken.com/medion-akoya-mini-e1210-groesserer-akku/) - Published: 2008-07-04 - Modified: 2008-07-04 - URL: https://www.jan-siefken.com/medion-akoya-mini-e1210-groesserer-akku/ - [Welche Rolle spielt das Internet im Handel?](https://www.jan-siefken.com/welche-rolle-spielt-das-internet-im-handel/) - Published: 2008-07-04 - Modified: 2008-07-04 - URL: https://www.jan-siefken.com/welche-rolle-spielt-das-internet-im-handel/ - [DSL-Alternative: VPN-Router](https://www.jan-siefken.com/dsl-alternative-vpn-router/) - Published: 2008-07-04 - Modified: 2008-07-04 - URL: https://www.jan-siefken.com/dsl-alternative-vpn-router/ - [Kauf von Billig-PCs unter 200 Euro](https://www.jan-siefken.com/kauf-von-billig-pcs-unter-200-euro/) - Published: 2008-07-04 - Modified: 2008-07-04 - URL: https://www.jan-siefken.com/kauf-von-billig-pcs-unter-200-euro/ - [Software warnt vor unsicheren Web-Shops](https://www.jan-siefken.com/software-warnt-vor-unsicheren-web-shops/) - Published: 2008-07-04 - Modified: 2008-07-04 - URL: https://www.jan-siefken.com/software-warnt-vor-unsicheren-web-shops/ - [DSL-Alternative – Internet ueber Fernsehkabel](https://www.jan-siefken.com/dsl-alternative-internet-ueber-fernsehkabel/) - Published: 2008-06-24 - Modified: 2008-06-24 - URL: https://www.jan-siefken.com/dsl-alternative-internet-ueber-fernsehkabel/ - [Buch – Webseiten professionell erstellen](https://www.jan-siefken.com/buch-webseiten-professionell-erstellen/) - Published: 2008-06-24 - Modified: 2008-06-24 - URL: https://www.jan-siefken.com/buch-webseiten-professionell-erstellen/ - [EM 2008 – Video: Szenen nach Spiel Deutschland – Portugal](https://www.jan-siefken.com/em-2008-video-szenen-nach-spiel-deutschland-portugal/) - Published: 2008-06-20 - Modified: 2008-06-20 - URL: https://www.jan-siefken.com/em-2008-video-szenen-nach-spiel-deutschland-portugal/ - [Firefox 3 – Download Rekord und erste Sicherheitsluecke](https://www.jan-siefken.com/firefox-3-download-rekord-und-erste-sicherheitsluecke/) - Published: 2008-06-19 - Modified: 2008-06-19 - URL: https://www.jan-siefken.com/firefox-3-download-rekord-und-erste-sicherheitsluecke/ - [Social Shopping – Zukunft des E-Commerce?](https://www.jan-siefken.com/social-shopping-zukunft-des-e-commerce/) - Published: 2008-06-18 - Modified: 2008-06-18 - URL: https://www.jan-siefken.com/social-shopping-zukunft-des-e-commerce/ - [MySpace gelingt erneut Schlag gegen Spammer](https://www.jan-siefken.com/myspace-gelingt-erneut-schlag-gegen-spammer/) - Published: 2008-06-18 - Modified: 2008-06-18 - URL: https://www.jan-siefken.com/myspace-gelingt-erneut-schlag-gegen-spammer/ - [Crysis und Quake 4 auf dem Asus Eee PC](https://www.jan-siefken.com/crysis-und-quake-4-auf-dem-asus-eee-pc/) - Published: 2008-06-18 - Modified: 2008-06-18 - URL: https://www.jan-siefken.com/crysis-und-quake-4-auf-dem-asus-eee-pc/ - [Studie: Mobiles Internet auf dem Handy](https://www.jan-siefken.com/studie-mobiles-internet-auf-dem-handy/) - Published: 2008-06-12 - Modified: 2008-06-12 - URL: https://www.jan-siefken.com/studie-mobiles-internet-auf-dem-handy/ - [Windows Defragmentierung – Festplatte defragmentieren](https://www.jan-siefken.com/windows-defragmentierung-festplatte-defragmentieren/) - Published: 2008-06-12 - Modified: 2008-06-12 - URL: https://www.jan-siefken.com/windows-defragmentierung-festplatte-defragmentieren/ - [Legale Tauschboersen im Internet](https://www.jan-siefken.com/legale-tauschboersen-im-internet/) - Published: 2008-06-12 - Modified: 2008-06-12 - URL: https://www.jan-siefken.com/legale-tauschboersen-im-internet/ - [Sicherheitsluecken in Online-Shops](https://www.jan-siefken.com/sicherheitsluecken-in-online-shops/) - Published: 2008-06-09 - Modified: 2008-06-09 - URL: https://www.jan-siefken.com/sicherheitsluecken-in-online-shops/ - [Umfrage: EM 2008 – Sieg fuer Deutschland moeglich](https://www.jan-siefken.com/umfrage-em-2008-sieg-fuer-deutschland-moeglich/) - Published: 2008-06-09 - Modified: 2008-06-09 - URL: https://www.jan-siefken.com/umfrage-em-2008-sieg-fuer-deutschland-moeglich/ - [Fussball EM-Special rund um die EURO 2008](https://www.jan-siefken.com/fussball-em-special-rund-um-die-euro-2008/) - Published: 2008-06-09 - Modified: 2008-06-09 - URL: https://www.jan-siefken.com/fussball-em-special-rund-um-die-euro-2008/ - [Studie – Wie zufrieden sind Handy-Nutzer?](https://www.jan-siefken.com/studie-wie-zufrieden-sind-handy-nutzer/) - Published: 2008-06-09 - Modified: 2008-06-09 - URL: https://www.jan-siefken.com/studie-wie-zufrieden-sind-handy-nutzer/ - [Madonna Video „Give it 2 Me“ bei Yahoo](https://www.jan-siefken.com/madonna-video-give-it-2-me-bei-yahoo/) - Published: 2008-06-04 - Modified: 2008-06-04 - URL: https://www.jan-siefken.com/madonna-video-give-it-2-me-bei-yahoo/ - [Interact Congress 2008 in Berlin](https://www.jan-siefken.com/interact-congress-2008-in-berlin/) - Published: 2008-06-04 - Modified: 2008-06-04 - URL: https://www.jan-siefken.com/interact-congress-2008-in-berlin/ - [Events fuer Marketingaktionen nutzen](https://www.jan-siefken.com/events-fuer-marketingaktionen-nutzen/) - Published: 2008-06-04 - Modified: 2008-06-04 - URL: https://www.jan-siefken.com/events-fuer-marketingaktionen-nutzen/ - [Computervirus – neuer Windows-Wurm](https://www.jan-siefken.com/computervirus-neuer-windows-wurm/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/computervirus-neuer-windows-wurm/ - [2.5-Zoll Festplatte von Western Digital](https://www.jan-siefken.com/25-zoll-festplatte-von-western-digital/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/25-zoll-festplatte-von-western-digital/ - [Fachkraeftemangel bei Unternehmen](https://www.jan-siefken.com/fachkraeftemangel-bei-unternehmen/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/fachkraeftemangel-bei-unternehmen/ - [Asus Eee PC 900](https://www.jan-siefken.com/asus-eee-pc-900/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/asus-eee-pc-900/ - [Jobsuche im Internet](https://www.jan-siefken.com/jobsuche-im-internet/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/jobsuche-im-internet/ - [Handynutzung zur Fussball-EM 2008](https://www.jan-siefken.com/handynutzung-zur-fussball-em-2008/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/handynutzung-zur-fussball-em-2008/ - [Abgeltungsteuer – IT-Herausforderungen fuer Banken](https://www.jan-siefken.com/abgeltungsteuer-it-herausforderungen-fuer-banken/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/abgeltungsteuer-it-herausforderungen-fuer-banken/ - [Fussball-EM Tippspiel](https://www.jan-siefken.com/fussball-em-tippspiel/) - Published: 2008-06-03 - Modified: 2008-06-03 - URL: https://www.jan-siefken.com/fussball-em-tippspiel/ - [Verbot Schnurlostelefone nach Standards CT1 und CT2](https://www.jan-siefken.com/verbot-schnurlostelefone-nach-standards-ct1-und-ct2/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/verbot-schnurlostelefone-nach-standards-ct1-und-ct2/ - [TFT-Monitore im Test](https://www.jan-siefken.com/tft-monitore-im-test/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/tft-monitore-im-test/ - [Spam E-Mails im Vorfeld vermeiden](https://www.jan-siefken.com/spam-e-mails-im-vorfeld-vermeiden/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/spam-e-mails-im-vorfeld-vermeiden/ - [Internet-PC statt CD-Spieler bei Jugendlichen](https://www.jan-siefken.com/internet-pc-statt-cd-spieler-bei-jugendlichen/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/internet-pc-statt-cd-spieler-bei-jugendlichen/ - [Firefox 3 – Der neue Browser von Mozilla](https://www.jan-siefken.com/firefox-3-der-neue-browser-von-mozilla/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/firefox-3-der-neue-browser-von-mozilla/ - [Die Telekom im Zwielicht](https://www.jan-siefken.com/die-telekom-im-zwielicht/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/die-telekom-im-zwielicht/ - [Netlog beteiligt sich an OpenSocial-Initiative](https://www.jan-siefken.com/netlog-beteiligt-sich-an-opensocial-initiative/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/netlog-beteiligt-sich-an-opensocial-initiative/ - [Telekommunikation – stagnierendes Festnetzgeschaeft](https://www.jan-siefken.com/telekommunikation-stagnierendes-festnetzgeschaeft/) - Published: 2008-05-30 - Modified: 2008-05-30 - URL: https://www.jan-siefken.com/telekommunikation-stagnierendes-festnetzgeschaeft/ - [MyTube Internet Recorder](https://www.jan-siefken.com/mytube-internet-recorder/) - Published: 2008-05-28 - Modified: 2008-05-28 - URL: https://www.jan-siefken.com/mytube-internet-recorder/ - [Social Networking haelt Einzug in Unternehmen](https://www.jan-siefken.com/social-networking-haelt-einzug-in-unternehmen/) - Published: 2008-05-28 - Modified: 2008-05-28 - URL: https://www.jan-siefken.com/social-networking-haelt-einzug-in-unternehmen/ - [Siegfried Lenz – Schweigeminute](https://www.jan-siefken.com/siegfried-lenz-schweigeminute/) - Published: 2008-05-28 - Modified: 2008-05-28 - URL: https://www.jan-siefken.com/siegfried-lenz-schweigeminute/ - [RSS Nutzung waechst rasant](https://www.jan-siefken.com/rss-nutzung-waechst-rasant/) - Published: 2008-05-28 - Modified: 2008-05-28 - URL: https://www.jan-siefken.com/rss-nutzung-waechst-rasant/ - [Millionen Gewinn bei Schlag den Raab](https://www.jan-siefken.com/millionen-gewinn-bei-schlag-den-raab/) - Published: 2008-05-28 - Modified: 2008-05-28 - URL: https://www.jan-siefken.com/millionen-gewinn-bei-schlag-den-raab/ - [Fussball EM 2008: Wenig Vertrauen in EM-Sieg der Deutschen](https://www.jan-siefken.com/fussball-em-2008-wenig-vertrauen-in-em-sieg-der-deutschen/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/fussball-em-2008-wenig-vertrauen-in-em-sieg-der-deutschen/ - [Neuer Computervirus – Virus als Vertrag getarnt](https://www.jan-siefken.com/neuer-computervirus-virus-als-vertrag-getarnt/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/neuer-computervirus-virus-als-vertrag-getarnt/ - [Software zur Datensicherung und Datenrettung](https://www.jan-siefken.com/software-zur-datensicherung-und-datenrettung/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/software-zur-datensicherung-und-datenrettung/ - [Microsoft Office 2007 – Service Pack 2](https://www.jan-siefken.com/microsoft-office-2007-service-pack-2/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/microsoft-office-2007-service-pack-2/ - [Antivirensoftware Kaspersky Security Suite kostenlos](https://www.jan-siefken.com/antivirensoftware-kaspersky-security-suite-kostenlos/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/antivirensoftware-kaspersky-security-suite-kostenlos/ - [Jobboerse bei heise – Karriere Veranstaltungen Jobsuche](https://www.jan-siefken.com/jobboerse-bei-heise-karriere-veranstaltungen-jobsuche/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/jobboerse-bei-heise-karriere-veranstaltungen-jobsuche/ - [Adware tarnt sich als Windows Security Center](https://www.jan-siefken.com/adware-tarnt-sich-als-windows-security-center/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/adware-tarnt-sich-als-windows-security-center/ - [BlackBerry-Smartphone als Diktiergeraet](https://www.jan-siefken.com/blackberry-smartphone-als-diktiergeraet/) - Published: 2008-05-23 - Modified: 2008-05-23 - URL: https://www.jan-siefken.com/blackberry-smartphone-als-diktiergeraet/ - [Studie: Frauen und Internetnutzung](https://www.jan-siefken.com/studie-frauen-und-internetnutzung/) - Published: 2008-05-22 - Modified: 2008-05-22 - URL: https://www.jan-siefken.com/studie-frauen-und-internetnutzung/ - [Web-TV Sendung Libri-AutorenBlicke](https://www.jan-siefken.com/web-tv-sendung-libri-autorenblicke/) - Published: 2008-05-22 - Modified: 2008-05-22 - URL: https://www.jan-siefken.com/web-tv-sendung-libri-autorenblicke/ - [Das Rauchen aufgeben am Weltnichtrauchertag](https://www.jan-siefken.com/das-rauchen-aufgeben-am-weltnichtrauchertag/) - Published: 2008-05-22 - Modified: 2008-05-22 - URL: https://www.jan-siefken.com/das-rauchen-aufgeben-am-weltnichtrauchertag/ - [Steve Ballmer von Microsoft mit Eiern beworfen – Video](https://www.jan-siefken.com/steve-ballmer-von-microsoft-mit-eiern-beworfen-video/) - Published: 2008-05-21 - Modified: 2008-05-21 - URL: https://www.jan-siefken.com/steve-ballmer-von-microsoft-mit-eiern-beworfen-video/ - [iPass bietet ueber 100.000 WLAN-Hotspot-Standorte](https://www.jan-siefken.com/ipass-bietet-ueber-100000-wlan-hotspot-standorte/) - Published: 2008-05-21 - Modified: 2008-05-21 - URL: https://www.jan-siefken.com/ipass-bietet-ueber-100000-wlan-hotspot-standorte/ - [Fussball EM 2008 live im ZDF](https://www.jan-siefken.com/fussball-em-2008-live-im-zdf/) - Published: 2008-05-21 - Modified: 2008-05-21 - URL: https://www.jan-siefken.com/fussball-em-2008-live-im-zdf/ - [Dienstleister-Report 2008](https://www.jan-siefken.com/dienstleister-report-2008/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/dienstleister-report-2008/ - [Viele Deutsche haetten lieber einen anderen Beruf gewaehlt](https://www.jan-siefken.com/viele-deutsche-haetten-lieber-einen-anderen-beruf-gewaehlt/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/viele-deutsche-haetten-lieber-einen-anderen-beruf-gewaehlt/ - [EMI und Gema – Vertonung von privaten Videos](https://www.jan-siefken.com/emi-und-gema-vertonung-von-privaten-videos/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/emi-und-gema-vertonung-von-privaten-videos/ - [Internet – Kunden oft unzufrieden mit Internetprovider](https://www.jan-siefken.com/internet-kunden-oft-unzufrieden-mit-internetprovider/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/internet-kunden-oft-unzufrieden-mit-internetprovider/ - [Gestaltung von Online-Stellenanzeigen](https://www.jan-siefken.com/gestaltung-von-online-stellenanzeigen/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/gestaltung-von-online-stellenanzeigen/ - [Kinder bleiben im Web 2.0 lieber unter sich](https://www.jan-siefken.com/kinder-bleiben-im-web-20-lieber-unter-sich/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/kinder-bleiben-im-web-20-lieber-unter-sich/ - [Leitfaden Heise Online-Recht](https://www.jan-siefken.com/leitfaden-heise-online-recht/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/leitfaden-heise-online-recht/ - [o2 Germany – Viele Kunden koennen nicht mehr telefonieren](https://www.jan-siefken.com/o2-germany-viele-kunden-koennen-nicht-mehr-telefonieren/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/o2-germany-viele-kunden-koennen-nicht-mehr-telefonieren/ - [Video – Beamer-Lampe schonen](https://www.jan-siefken.com/video-beamer-lampe-schonen/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/video-beamer-lampe-schonen/ - [Buch als Medium nicht bedroht](https://www.jan-siefken.com/buch-als-medium-nicht-bedroht/) - Published: 2008-05-20 - Modified: 2008-05-20 - URL: https://www.jan-siefken.com/buch-als-medium-nicht-bedroht/ - [Microsoft Malware Protection – Sicherheitsluecke](https://www.jan-siefken.com/microsoft-malware-protection-sicherheitsluecke/) - Published: 2008-05-19 - Modified: 2008-05-19 - URL: https://www.jan-siefken.com/microsoft-malware-protection-sicherheitsluecke/ - [America.com – Internetdomain wird versteigert](https://www.jan-siefken.com/americacom-internetdomain-wird-versteigert/) - Published: 2008-05-19 - Modified: 2008-05-19 - URL: https://www.jan-siefken.com/americacom-internetdomain-wird-versteigert/ - [Frauen und Marken – KommunikationsAnalyse](https://www.jan-siefken.com/frauen-und-marken-kommunikationsanalyse/) - Published: 2008-05-19 - Modified: 2008-05-19 - URL: https://www.jan-siefken.com/frauen-und-marken-kommunikationsanalyse/ - [Suchmaschine Yahoo – Entwickler-Tool „SearchMonkey“](https://www.jan-siefken.com/suchmaschine-yahoo-entwickler-tool-searchmonkey/) - Published: 2008-05-19 - Modified: 2008-05-19 - URL: https://www.jan-siefken.com/suchmaschine-yahoo-entwickler-tool-searchmonkey/ - [Qype fuer Apple iPhone](https://www.jan-siefken.com/qype-fuer-apple-iphone/) - Published: 2008-05-19 - Modified: 2008-05-19 - URL: https://www.jan-siefken.com/qype-fuer-apple-iphone/ - [Kurt Beck bezeichnet Treffen mit Dalai Lama als „Scheiss“](https://www.jan-siefken.com/kurt-beck-bezeichnet-treffen-mit-dalai-lama-als-scheiss/) - Published: 2008-05-19 - Modified: 2008-05-19 - URL: https://www.jan-siefken.com/kurt-beck-bezeichnet-treffen-mit-dalai-lama-als-scheiss/ - [Dank Web 2.0 – Nogger Choc von Langnese ist zurueck!](https://www.jan-siefken.com/dank-web-20-nogger-choc-von-langnese-ist-zurueck/) - Published: 2008-05-16 - Modified: 2008-05-16 - URL: https://www.jan-siefken.com/dank-web-20-nogger-choc-von-langnese-ist-zurueck/ - [Konsumenten-Empfehlungen bei Kaufentscheidungen](https://www.jan-siefken.com/konsumenten-empfehlungen-bei-kaufentscheidungen/) - Published: 2008-05-16 - Modified: 2008-05-16 - URL: https://www.jan-siefken.com/konsumenten-empfehlungen-bei-kaufentscheidungen/ - [Studie: Bier ist gesund](https://www.jan-siefken.com/studie-bier-ist-gesund/) - Published: 2008-05-16 - Modified: 2008-05-16 - URL: https://www.jan-siefken.com/studie-bier-ist-gesund/ - [Trend Micro Malware Report](https://www.jan-siefken.com/trend-micro-malware-report/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/trend-micro-malware-report/ - [StudiVZ will gegen MatheVZ klagen](https://www.jan-siefken.com/studivz-will-gegen-mathevz-klagen/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/studivz-will-gegen-mathevz-klagen/ - [Legend Online – Browsergame](https://www.jan-siefken.com/legend-online-browsergame/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/legend-online-browsergame/ - [Web 2.0 – The Machine is Us/ing Us](https://www.jan-siefken.com/web-20-the-machine-is-using-us/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/web-20-the-machine-is-using-us/ - [Interaktive Werbung bei Web 2.0-Unternehmen](https://www.jan-siefken.com/interaktive-werbung-bei-web-20-unternehmen/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/interaktive-werbung-bei-web-20-unternehmen/ - [IT-Systeme stets im Blick](https://www.jan-siefken.com/it-systeme-stets-im-blick/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/it-systeme-stets-im-blick/ - [VHS-Videos am Computer digitalisieren](https://www.jan-siefken.com/vhs-videos-am-computer-digitalisieren/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/vhs-videos-am-computer-digitalisieren/ - [Adobe Flash Player 10 Beta](https://www.jan-siefken.com/adobe-flash-player-10-beta/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/adobe-flash-player-10-beta/ - [Neue Telekom-Tarife](https://www.jan-siefken.com/neue-telekom-tarife/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/neue-telekom-tarife/ - [Call of Duty 5 – neuer Ego-Shooter geplant](https://www.jan-siefken.com/call-of-duty-5-neuer-ego-shooter-geplant/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/call-of-duty-5-neuer-ego-shooter-geplant/ - [Asus Eee-PC steigert Absatz auf PC-Markt](https://www.jan-siefken.com/asus-eee-pc-steigert-absatz-auf-pc-markt/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/asus-eee-pc-steigert-absatz-auf-pc-markt/ - [Neue Version von DOFUS – dem Online-Rollenspiel](https://www.jan-siefken.com/neue-version-von-dofus-dem-online-rollenspiel/) - Published: 2008-05-15 - Modified: 2008-05-15 - URL: https://www.jan-siefken.com/neue-version-von-dofus-dem-online-rollenspiel/ - [Hancock Kino Trailer mit Will Smith](https://www.jan-siefken.com/hancock-kino-trailer-mit-will-smith/) - Published: 2008-05-14 - Modified: 2008-05-14 - URL: https://www.jan-siefken.com/hancock-kino-trailer-mit-will-smith/ - [Six Apart – mobiles Blogging auf BlackBerry Smartphones](https://www.jan-siefken.com/six-apart-mobiles-blogging-auf-blackberry-smartphones/) - Published: 2008-05-14 - Modified: 2008-05-14 - URL: https://www.jan-siefken.com/six-apart-mobiles-blogging-auf-blackberry-smartphones/ - [Mobiles Internet – Verbraucher tappen in Gebuehrenfalle](https://www.jan-siefken.com/mobiles-internet-verbraucher-tappen-in-gebuehrenfalle/) - Published: 2008-05-14 - Modified: 2008-05-14 - URL: https://www.jan-siefken.com/mobiles-internet-verbraucher-tappen-in-gebuehrenfalle/ - [In Second Life gedrehter Dokumentarfilm](https://www.jan-siefken.com/in-second-life-gedrehter-dokumentarfilm/) - Published: 2008-05-14 - Modified: 2008-05-14 - URL: https://www.jan-siefken.com/in-second-life-gedrehter-dokumentarfilm/ - [Nimbuzz geht ueber Skype hinaus](https://www.jan-siefken.com/nimbuzz-geht-ueber-skype-hinaus/) - Published: 2008-05-14 - Modified: 2008-05-14 - URL: https://www.jan-siefken.com/nimbuzz-geht-ueber-skype-hinaus/ - [IBM BladeCenter-System QS22](https://www.jan-siefken.com/ibm-bladecenter-system-qs22/) - Published: 2008-05-14 - Modified: 2008-05-14 - URL: https://www.jan-siefken.com/ibm-bladecenter-system-qs22/