The Microsoft Windows 8 operating system is unveiled at a press conference on October 25 in New York City. Mario Tama/Getty Images hide caption

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Microsoft CEO Steve Ballmer speaks at a Microsoft event in San Francisco in July. This week, Microsoft launches Windows 8, a radical redesign of its operating system, as well as a new set of tablet computers. Jeff Chiu/AP hide caption

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Researchers are increasingly using cloud computing to discover new drugs and medical treatments. Cloud computing is often cheaper and quicker than in-house computing. iStockphoto.com hide caption

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Nokia President and CEO Stephen Elop introduces the Lumia 900 smartphone during a CES news conference in Las Vegas. Julie Jacobson/AP hide caption

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