Steve Ballmer, chief executive officer of Microsoft Corp., holds a... Nieuwsfoto'sAlleen volwassenen,Alleen één man,Bestuursvoorzitter,Californië,Computer,Computerapparatuur,Computersoftware,Elektronica-industrie,Evenement,Eén persoon,Financiën,Horizontaal,Internet,Mensen,Microsoft,Microsoft Surface,Noord- & Zuid-Amerika,Noord-Amerika,Praten,Santa Clara County - Californië,Steve Ballmer,Tablet-pc,Techniek,Verenigde Staten,Volwassen,WebpaginaPhotographer Collection: Bloomberg 2012 BloombergSteve Ballmer, chief executive officer of Microsoft Corp., holds a Microsoft Surface tablet as he speaks during an event at the Churchill Club in Santa Clara, California, U.S., on Wednesday, Nov. 14, 2012. Microsoft Corp's Ballmer said the maker of Windows programs must exploit the opportunity to combine hardware and software as it challenges Apple Inc.’s iPad with the Surface tablet computer. Photographer: David Paul Morris/Bloomberg via Getty Images