What is DRM? Wisegeek
http://www.wisegeek.com/what-is-drm.htm
Q&A: What is DRM?
http://news.bbc.co.uk/1/hi/technology/6337781.stm
Apple seeks online music shake-up
http://news.bbc.co.uk/1/hi/business/6337275.stm
EMI takes locks off music tracks
http://news.bbc.co.uk/1/hi/technology/6516189.stm
Digital lock's rights and wrongs
http://news.bbc.co.uk/1/hi/programmes/click_online/6457369.stm
Why Is DRM-Free Music Tagged With Name and E-Mail? Apple Keeps Mum
http://blog.wired.com/music/2007/06/no_explanation_.html
