Fat Lady Finally Sings: Yahoo and Alibaba Officially Shake on $7 Billion Stock Sale Deal [UPDATED]  —  As AllThingsD.com reported several days ago they would, Yahoo and Alibaba Group have finally reached an agreement for the Silicon Valley Internet giant to sell back half its stake in the Chinese Web company in a $7 billion deal.

Nasdaq Acknowledges Troubles With Facebook Deal  —  Robert Greifeld, chief executive of Nasdaq OMX Group Inc., on Sunday acknowledged design problems with Nasdaq's technology after the exchange operator was widely seen as bungling the landmark listing of shares of Facebook Inc. on Friday.

Microsoft quietly launches So.cl social network  —  In the wake of social-networking giant Facebook's IPO, Microsoft has quietly launched So.cl, its own social networking foray.  However, So.cl isn't a designed to be a Facebook challenger.  The project, the details of which leaked out last year …

How Pixar's Toy Story 2 was deleted twice, once by technology and again for its own good  —  “That's when we first noticed it, with Woody.”  —  “[Larry Cutler] was in that directory and happened to be talking about installing a fix to Woody or Woody's hat.

Apple, Samsung CEOs set for U.S. court talks  —  (Reuters) - The chief executives of Apple Inc and Samsung Electronics Co Ltd are used to running the show at their global tech empires, but they will be in for a different experience when they arrive at a San Francisco federal courthouse on Monday.

TomTom Seeks New Direction  —  Navigation-Tool Maker is Trying to Reposition Itself as a Mapping-Software and Services Provider  —  Many drivers have used satellite-navigation devices from Dutch navigation-system maker TomTom NV to get where they're going with the minimum of fuss.

The Undoing of Scott Thompson at Yahoo  —  When the activist shareholder Daniel Loeb confronted Yahoo's directors on May 3 with the possibility that Yahoo's recently hired chief executive, Scott Thompson, might have falsified his résumé by claiming to have a computer science degree, their initial reaction was disbelief.

Facial detection startup changes privacy policy after Friday launch  —  SceneTap's policy now states it will not store “facial mapping metrics.”  SAN FRANCISCO—As the Oakland A's were set to take on the Giants in the adjacent baseball stadium, few in the Polo Grounds bar seemed aware …

Leap Motion: 3D hands-free motion control, unbound  —  The startup's technology puts sub-millimeter accuracy at user fingertips, offers control gestures like pinch-to-zoom, and promises new applications that make the Kinect and its kin look like yesterday's news.

Voyager Mobile, a 22-Year-Old's Cellphone Start-Up, Launches After Delay  —  An attack on his Web site pushed things out a few days, but John Mardini says Voyager Mobile is now ready to take orders for cut-rate cellphone service.  —  Mardini, a 22-year-old entrepreneur and New York University student …

'The Golden Age of Silicon Valley Is Over, and We're Dancing on its Grave'  —  To help make sense of the Facebook IPO, we caught up with Steve Blank, a professor at Berkeley and Stanford and serial entrepreneur from Silicon Valley.  This conversation has been edited and condensed.