With instant messages buzzing, emails pinging and texts ringing, how can employers increase productivity in the workplace? Software companies are tackling the problem, tracking employees' computer time to find ways to improve their efficiency. iStockphoto.com hide caption

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Paul Applewhite of Applewhite Aero isn't allowed to fly this 3-pound Styrofoam plane. That's because he has added circuitry to make it autonomous — it can find its way to specified coordinates — which means it's an unmanned aerial vehicle requiring a special testing permit. Martin Kaste/NPR hide caption

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Medal of Honor's authentic action is a selling point for its publisher, Electronic Arts. Courtesy of Electronic Arts hide caption

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Sugata Mitra at the TED conference in 2013. James Duncan Davidson/TED hide caption

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Residents of the East Village in New York City look for cellphone reception Nov. 1 after Hurricane Sandy wiped out power and some cell towers. Timothy A. Clary/AFP/Getty Images hide caption

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Ester Gerston and Gloria Ruth Gordon, early programmers working on the ENIAC computer in 1946. U.S. Army hide caption

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A phonorecord by Alexander Graham Bell, one of the Smithsonian's trove of recordings left there by the inventor of the telephone. Richard Strauss/Smithsonian's National Museum of American History Via AP hide caption

itoggle caption Richard Strauss/Smithsonian's National Museum of American History Via AP

A Lot Of Beans: A charity auction of a cup of coffee with Apple CEO Tim Cook has garnered bids topping $600,000. In this file photo, a pot of beans sits in a Starbucks store. Sajjad Hussain/AFP/Getty Images hide caption

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