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Yammer

Microsoft Windows 7 runs on a Fujitsu tablet computer (Toshifumi Kitamura/AFP/Getty Images)

Microsoft Buys SF Internet Startup Yammer For $1.2B

Microsoft is paying $1.2 billion to buy San Francisco-based Yammer, an Internet startup that has built a social network similar to Facebook for the business world.

06/25/2012

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