Our OpenNet Initiative — a partnership with the University of Cambridge (Rafal Rohozinski), the University of Toronto (Ron Deibert, Nart Villeneuve, and others), and the Berkman Center at Harvard Law School (several of us, led by Jonathan Zittrain) — has released a new report on the imprecision of the Anonymizer-powered US International Broadcasting Bureau web surfing service for Iranians.  A few news reports: Declan McCullagh‘s column in news.com and a wire report by Eugenie Reich in the New Scientist.