Great article by Steven Seidenberg in the February 2009 ABA Journal on the legal tensions between user-generated content sites (UGC, in the lingo) and the content owners under the “notice and take down” regime established by the DMCA.
Interesting fact from the article: On YouTube alone ten hours of video content are put online every minute of every day, more than 250,000 clips per day.
Cases and sites mentioned in the article: