FILE- In this Monday, June 18, 2012, file photo, Microsoft CEO Steve Ballmer unveils its"Surface", a new tablet computer to compete with Apple's iPad at Hollywood's Milk Studios in Los Angeles. Microsoft announced Monday, June 25, 2012, that is paying $1.2 billion to buy Yammer, an Internet startup that has built a social network similar to Facebook for the business world. (AP Photo/Damian Dovarganes, File)
↧