If you found my first link interesting -- this one is even better in that it specificly addresses the DMCA and how it is changing the concept of "ownership" of digital media.

http://firstmonday.org/issues/issue7_8/bowrey/#b2

This is one article of many that appear here:

http://www.firstmonday.org/issues/special10_7/

Read and learn. I did.

p.p.s Warning... many big words here too.