A camera is mounted on a building near Temple University in Philadelphia. Humberto Fernandini, with the company that owns the building, says the owners plan to register their cameras for the police department's new program. Elizabeth Fiedler for NPR hide caption

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This June 2, 2010, file photo shows the AT&T logo in Washington, D.C. The U.S. Justice Department will seek to block AT&T's proposed $39 billion acquisition of T-Mobile. Etienne Franchi/AFP/Getty Images hide caption

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Two women check their cellphones as they hawk their wares on a bridge over the Artibonite River, whose waters are believed to be the source of Haiti's 2010 cholera outbreak. Nicholas Kamm/AFP/Getty Images hide caption

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A screenshot of SFpark, an app that lets San Francisco drivers see available parking spaces as well as each space's cost. Courtesy of SFpark hide caption

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Online reviews are many, but it's often difficult to tell the real ones from the fakes. To help sort the genuinely delighted customers from profit-driven praise, researchers at Cornell University have developed software that can successfully tell the difference. Yanik Chauvin/iStockphoto hide caption

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Steve Jobs holds up an iPhone at the Apple Worldwide Developers Conference in San Francisco in June 2010. Jobs resigned as Apple's CEO on Wednesday. Paul Sakuma/AP hide caption

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A buyer tests a Motorola Droid phone in this photo from January. Google purchased Motorola for $12.5 billion, gearing up in a patent war that has seen corporations try to pummel their competitors. Julie Jacobson/AP hide caption

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Steve Jobs stepped down as Apple CEO Wednesday. And now many are left wondering what's next for the company. Paul Sakuma/AP hide caption

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