Citing "people familiar with the matter," Spencer Ante reports that Twitter will make about $25 million from its search deals with Google and Microsoft announced in October. Twitter's deal with Google will generate about $15 million, with the remainder coming from the deal with Microsoft.
Of course the search engines declined to confirm. Ante does go into detail about past comments from Google's Marissa Mayer. He writes that the deals were made possible by Twitter's chief operating officer Dick Costolo, who joined Twitter from FeedBurner in September .