Alibaba Buys Back 20 Percent Stake From Yahoo for $7.1 Billion
Chinese e-commerce site Alibaba has bought half of Yahoo's stake in the company -- 20 percent of Alibaba's shares -- back from Yahoo for $7.1 billion.

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New app identifies faces in photos
TORONTO (Reuters) - Imagine taking a snapshot of a group of friends and having your smartphone instantly reveal the identity of everyone in the photo. A new iPhone app called KLiK performs real-time facial recognition to automatically identify and tag friends in photos. "It's our most recent evolution of both the platform and the consumer product that we're offering," said Gil Hirsch, the CEO of the facial recognition technology platform Face.com, which launched the app. "We noticed that at parties or events there were many photos being taken but only a few were actually getting tagged. ...

Watch: TechBytes: Facebook Ads, Amazon Job Surge
General Motors pulls advertisements from Facebook.

Can Windows 8's Apps Beat the iPad's?
USA Today, American Airlines, Slacker and others have made beautiful Windows 8 apps.

Mashable Weekend Recap: 50 Stories You Might Have Missed
What a weekend! As we sprinted through a lively slate of monumental stories such as the Facebook IPO and an impending launch of the first commercial spacecraft, we got blindsided by a super surprise: Mark Zuckerberg married his longtime girlfriend in a secret ceremony in his backyard in Palo Alto.