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In this Oct. 18, 2007 file photo of Microsoft CEO Steve Ballmer gestures as he talks at the Web 2.0 Summit in San Francisco. Microsoft Corp. withdrew its $42.3 billion bid to buy Yahoo Inc. on Saturday, scrapping an attempt to snap up the tarnished Internet icon in hopes of toppling online search and advertising leader Google Inc. The decision to walk away from the deal came after last-ditch efforts to negotiate a mutually acceptable sale price proved unsuccessful. The talks reached a breaking point after Jerry Yang and David Filo, the co-founders of Sunnyvale-based Yahoo, flew to Seattle in the morning to meet personally with Ballmer. (AP Photo/Paul Sakuma)