6. Web pages referenced in the book
A Facebook Tragedy:
A Facebook story: A mother's joy and a family's sorrow (The story as it appeared in The Washington Post online, 9 December 2010).
Stallman and the printer (Chap 1 of Free as in Freedom (2002)
Anger as Wikileaks releases all US cables unredacted, BBC news online 2 September 2011.