Please read Chapter 9 (a,b,c,d) from the following website

Fair Use

http://fairuse.stanford.edu/Copyright_and_Fair_Use_Overview/chapter9

See/Read

Free Culture: Lawrence Lessig Keynote from OSCON 2002

http://www.oreillynet.com/pub/a/policy/2002/08/15/lessig.html

View Flash presentation on "Free Culture"

http://randomfoo.net/oscon/2002/lessig/free.html

(If you experience a slow server response try again in 5 minutes)

http://randomfoo.net/oscon/2002/lessig/

recommended:

Lessig

http://www.lessig.org/blog/

http://lessig.org/blog/2006/01/google_book_search_the_argumen.html