Asustek Computer Inc.'s ASUS Vivo Tab RT TF600T tablet computer,... News PhotoASUSTeK,Asia,Business,Computer Software,Corporate Business,Digital Tablet,East Asia,Electronics Industry,Event,Finance,Horizontal,Japan,Launch Event,Merchandise,Microsoft,Operating System,Order,Tokyo - Japan,Windows 8Photographer Collection: Bloomberg 2012 BloombergAsustek Computer Inc.'s ASUS Vivo Tab RT TF600T tablet computer, running Microsoft Corp.'s Windows RT operating system, is displayed during a launch event for the company's Windows 8 operating system in Tokyo, Japan, on Friday, Oct. 26, 2012. Microsoft introduced the biggest overhaul of its flagship Windows software in two decades, reflecting the rising stakes in its competition with Apple Inc. and Google Inc. for the loyalty of customers who are shunning personal computers and flocking to mobile devices. Photographer: Kiyoshi Ota/Bloomberg via Getty Images