Updated: Following Microsoft’s search and advertising deal with Yahoo (NSDQ: YHOO), Microsoft (NSDQ: MSFT) could be the largest mobile search provider in the U.S., having deals with three of the four major U.S. wireless carriers spanning 200 million subscribers. The one exception would be Sprint (NYSE: S), which uses Google’s search for its 48 million subscribers. On the carrier side in the U.S., Yahoo has deals with AT&T (NYSE: T) and T-Mobile.
But clearly, Microsoft will have to prove itself to Yahoo when it comes to the mobile industry, which is just beginning to show its full potential. In this morning’s call, we learned Microsoft