OpenSource, FreeSoftware -- terms used to describe software with specific licences (the various licences themselves are not described on Meatball, just use GPL, Artistic License, public domain, etc.)
http://mathworld.wolfram.com/erics_commentary.html -- MathWorld got published as a book... "many publishers seem unable to understand a new generation for whom dynamic websites are rapidly becoming a primary medium..."
Lessig, L. (2001) TheFutureOfIdeas?. New York: Random House.
Vaidhyanathan, S. (2001) CopyrightsAndCopywrongs?: The rise of intellectual property and how it threatens creativity. New York: New York University Press.