Digital Rights Management

1. Digital Rights Management

2. Protect Digital Rights VIDEO BOOKS MUSIC

3. WHAT IS DRM ？ "Digital rights management(DRM) is a term for access control technologies that are used by hardware manufactures publishers, copyright holders and individuals to limit the use of digital."

4. DRM Methods Restrictive Licensing Agreements Encryption Watermarks

5. Example of limit music copying person: music quality: good bad worse A B C

6. Example of watermarks

7. Negative sides should it be free? hackers can encode it. reading hardly unable to edit

8. EXAMPLE: Assassin's Creed II http://game.ali213.net/thread-3254603-1-2.html

9. QUESTIONS 1 Compare the positive and negative impacts of DRM? Do you think it is necessary to continue? 2 Some people believe many resources shoule be free to share, do you agree? 3 What is the best way to protect digital rights or what way do you perfer?

10. References http://en.wikipedia.org/wiki/Digital_rights_management http://www.collegemediainnovation.org/blog/2007/11/legal-and-ethical-issues-in-the-online-world/, http://www.eff.org/issues/drm http://www.defectivebydesign.org/what_is_drm http://epic.org/privacy/drm/ http://computer.howstuffworks.com/drm.htm Aigrain, P 2005, ‘Positive Intellectual Rights and Information Exchanges’ in R A Ghosh (ed), CODE: collaborative ownership and the digital economy, pp. 287-315, Cambridge, Mass: MIT Press. (R) Deibert, R et al 2010, Access Controlled: The Shaping of Power, Rights, and Rule in Cyberspace, Cambridge, MA: MIT Press, pp. 389-406 (R)

11. THANKS huiyun ZHANG(3323225)