Demonstrators with Guy Fawkes masks protest changing privacy policies on March 31, in Vienna. Ronald Zak/DAPD/AP hide caption

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Blind lawyer Chen Guangcheng, seen in this image from a YouTube video, escaped last week after 19 months under house arrest. Searches for his name are banned on China's Twitter-like services. AP hide caption

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The FlyRights mobile app, created by The Sikh Coalition, will be available for download on Androids and iPhones starting Monday, April 30. Courtesy of The Sikh Coalition hide caption

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A group of experts faced off on the motion "When It Comes to Politics, the Internet Is Closing Our Minds" at an Intelligence Squared U.S. debate on April 17 in New York City. Samuel LaHoz hide caption

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The political changes brought about by the Arab Spring have raised hopes among high-tech entrepreneurs that this will translate into an improved business climate. Here, budding entrepreneurs work at Oasis 500, a seed investment firm in Amman, Jordan, on Nov. 2, 2011. Muhammad Hamed/Reuters/Landov hide caption

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In 2010, more than 500 students at Carleton College in Northfield, Minn., hit the campus green to break the world record for spooning. On Friday, students at the College of William & Mary in Williamsburg, Va., plan to claim the record. Maia Rodriguez/Courtesy of hide caption

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Many Web users have little idea about how, or when, they're being tracked. In this 2011 photo, Max Schrems of Austria sits with 1,222 pages about his activities on Facebook — the company gave him the file after he requested it under European law. Ronald Zak/AP hide caption

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Four major universities are joining forces with Coursera, a Silicon Valley startup, to offer free online classes in more than three-dozen subjects. hide caption

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