How China blocks the letter “F”

Ethan Zuckerman's musings on Africa, international development a - Sat, 13/06/2009 - 1:38am
My friend and colleague Hal Roberts is one of the internet’s top censorship and filtering researchers. When Chinese authorities announced that a client-based piece of filtering software called GreenDam would be required for installation on new PCs, Hal downloaded the software and spent a good chunk of this week trying to understand how it works. [...]