At Microsoft CEO Steve Ballmer's bidding, proxy solicitation firm Innisfree yesterday began calling Yahoo shareholders to ready them for a fight to replace Yahoo's board, the New York Post reports. Over the weekend, Yahoo CEO Jerry Yang and the Yahoo board said it would take at least $40 a share for Microsoft to buy the company. That's a price one source close to Microsoft called "absurdly high." Ballmer has until March 14 to nominate new directors to Yahoo's board who agree.

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