Comment by eas

A very interesting and well-done course on many of the vagaries of US copyright law from MIT OCW (video lectures) that might be relevant to the discussion:

http://ocw.mit.edu/OcwWeb/Electrical-Engineering-and-Compute...

Especially lectures three and four:

3) Copyright applied to Music, Computers; Napster®; Peer-to-Peer File Sharing

4) Software Licensing; DVDs and Encryption