AT&T First to Introduce Microsoft Surface in Retail Stores to Enhance Mobile Shopping Experience First commercial Microsoft Surface launch to begin April 17 in select AT&T stores with expanded deployment planned throughout 2008. LAS VEGAS — April 1, 2008 — AT&T (NYSE: T) and Microsoft Corp. (NASDAQ: MSFT) today announced a collaborative alliance that will transform the way consumers shop for mobile devices. AT&T will become the first company in the world to bring Microsoft Surface to life in