“Silenced: Censorship and Control of the Internet” is a new paper covering findings from a 12-month study of Internet censorship around the world. The study, published jointly by Privacy International and GreenNet Educational Trust, found that in the wake of September 11, 2001, over 50 countries stepped up efforts to control the Internet within their boundaries, among other conclusions.

The full report is available here as a 2Mb PDF, and it licensed under an Attribution-Noncommercial-ShareAlike license.