FILE- In this Monday, June 18, 2012, file photo, Microsoft CEO Steve Ballmer comments on the Windows 8 operating system before unveiling its new Surface, a tablet computer to compete with Apple&#39;s iPad at Hollywood&#39;s Milk Studios in Los Angeles. Microsoft Corp. reports quarterly financial results after the market closes on Thursday, July 19, 2012. (AP Photo/Damian Dovarganes, File)