Microsoft announced yesterday, that it will aquire social network Yammer for $1.2 billion. Yammer will become part of Microsoft 's Office division, and the team will continue to report to Yammer Chief Executive Officer David Sacks. Earlier Microsoft refused to comment on the suggestions, but yesterday it has proudly announced the deal. "The acquisition of Yammer underscores our commitment to deliver technology that businesses need and people love, " says Microsoft CEO Steve Ballmer. ...

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