Rivals Yahoo (YHOO) and Google (GOOG) have come together under a deal revealed in October. The two battle in the search business, and according to the comScore’s rankings of desktop search for October, Google had a 63.9% market share, followed by Microsoft (MSFT) at 20.7% and Yahoo at 12.6%. Yahoo will now work with Google in addition to its existing partnership with Microsoft’s Bing. Let’s explore the details.

