Iran Blocks Access to Facebook, Used by President's Campaign Opponents - washingtonpost.com

Facebook has become hugely popular in Iran, where young urbanites use it to connect with friends, play online games and share photographs. Recently, lively discussions had taken place on the social-networking Web site among Iranians who wondered whether voting in the June 12 presidential election meant supporting Iran's system of clerical rule, or, as some argued, could be used to remove Ahmadinejad.

Iran Blocks Access to Facebook, Used by President's Campaign Opponents - washingtonpost.com