Dear Everyone, Thought this was an interesting article on DRM.
http://www.washingtonpost.com/wp-dyn/content/article/2005/11/02/AR2005110202
Another explanation.
http://arstechnica.com/news.ars/post/20051101-5514.html
More technical
http://www.sysinternals.com/blog/2005/10/sony-rootkits-and-digital-rights.html
Take care.
Steve