Offen PDF. EPUB Unterstützt DRM (abhängig von Lesesoftware) unterschiedliche Systeme Von vielen il E Book kreadern unterstützt

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1 E Books Dateiformate Offen PDF DjVu EPUB Unterstützt DRM (abhängig von Lesesoftware) unterschiedliche Systeme Von vielen il E Book kreadern unterstützt tüt t Proprietär LIT In Verbindung mit Microsoft Reader Mit DRM, Schutzmechanismus geknackt wenig verwendet Mobipocket Hauptsächlich für Handys, PDAs Broad Band ebook (Sony, Canon)

2 Welche Technologie? AJAX Digitale Kopien

3 Welche Ebook Formate? PDF / PostScript t Windows CHM Format ASCII / HTML Plucker Broad Band ebook (BBeB) Proprietäre Formate

4 Welche Plattformen? PC, Notebook, PDA Amazon Kindle CD, DVD ipad / Smart Phones Browser Elektronisches Papier

5 Wer setzt es ein? Schüler/Studenten Lehrer / Professoren Privat Personen (Leser) Verlage

6 Wie sind Kundenreaktionen? DRM ist unpopulär Sehr wenig kaufen Inhalte mit DRM

7 DRM ebooks: Überblick vier Hauptformate ebook Anbieter Mobipocket Topaz Adobe epub Amazon PDF Apple Barnes & Noble

8 DRM ebooks: Apple versus Adobe Hauptformate ebook Anbieter epub Adobe PDF Apple

9 DRM ebooks: Apple s Fairyplay DRM Format ebook Anbieter epub Apple ebooks können nur über eine Apple ibooks App gelesen werde gebunden an Medium, mit dem das ebook erworben wurde (Apple Device notwendig) Keine Unterstützung von Drittanbieter Reader

10 DRM ebooks: Adobe s Adept DRM Format ebook Anbieter epub PDF Adobe ebooks können von Drittanbieter ebook Reader gelesen werden daher nicht an Medium gebunden, mit dem das ebook erworben wurde

11 Contents Proprietary Platform: Amazon Kindle Open Format: epub Hacking a Book & Legal Regulations ebook Business Models Of Book Publishers and Music Companies

12 Platform: Amazon Kindle Proprietary File Format (.azw) Contents tied to active Amazon account No transfer/reselling of purchased books Content only readable on Kindle and approved software Revocation of purchased books possible Case of 1984 & Animal Farm deleted Legal situation unclear 3 4 million Kindles sold 3 o desso d Summer 2010: 1180 ebooks sold for every 100 normal books

13 Format: epub Open specification, documented format Support for DRM, but no implementation defined Different incompatibleimplementationsexist implementations exist Most popular system: Adobe ADEPT DRM Popular format for German publishers Content protection only Display layout remains flexible (not like PDF)

14 Hacking a book Circumventing copy protection systems is illegal! See 95a UrhG for details breaking ciphers, patching software, running fake display drivers, etc. Screenshot processing considered legal Automatically create screenshots of every display page Combine and crop display pages to book pages Run OCR software to regain original text Adobe ADEPT DRM: Key extraction tool available Extract book content and create unprotected epub file

15 Business models Shareware books Original idea: Markus K. Ruppert (kangaroobooks.de 1996) First chapters available for free, purchase key for remainder Has been adapted to audio books Tie books to user accounts Different prices in different countries Controlbooksharing (sometimesless thantraditional traditional paperlending) Legally controversal: Revoke books after purchase Subscription i models dl( (e.g. newspapers)

16 On Books and Music First announcements of DRM free ebook shops Fair offerings for fair customers that respect the copyright laws Recap: That s how it begin with the music industry First, some shops offer DRM free contents They become more popular than those using DRM Finally, the music industry largely gave up on DRM Future of ebooks without DRM?

17 References Some good pieces of information on Wikipedia Short article on the Adobe DRM hack: pdf drm adept geknackt/ Announcement of DRM free ebooks: journal.de/alle ebooks ohne drm