The New York Times
May 1, 2009
Cyberwar
Iranians and Others Outwit Net Censors
By JOHN MARKOFF

http://www.nytimes.com/2009/05/01/technology/01filter.html?em

The Iranian government, more than almost any other, censors what
citizens can read online, using elaborate technology to block millions
of Web sites offering news, commentary, videos, music and, until