The protests unleashed by Iran's disputed presidential election in June 2009 brought the Islamic Republic's vigorous cyber culture to the world's attention. Iran has an estimated 700,000 bloggers, and new media such as Facebook, Twitter, and YouTube were thought to have played a key role in spreading news of the protests. The Internet is often celebrated as an agent of social change in countries like Iran, but most literature on the subject has struggled to grasp what this new phenomenon actually means. How is it different from print culture? Is it really a new public sphere? Will the...