Courtesy Reuters

On May 19, news spread that Pakistan was blocking many open-content Web sites -- including Facebook, YouTube, Wikipedia, and Flickr -- after users complained about a Facebook page that was holding a competition encouraging users to draw caricatures of Muhammad. Before the ban, supporters used Facebook status updates to declare their intent to boycott the site. Many of those who were opposed updated their pages with messages that they would not be visiting the Web site until their government changed its mind. On the streets, the mood was darker. On one side, activists marched in favor of the move and called

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