Windows 8 (NASDAQ:MSFT), while late to join the game, could leverage its almost monopoly among PCs to compete for mobile operating system (OS) market share.According to IDC, Google (NASDAQ:GOOG) Ice Cream Sandwich (47%) and Apple iOS (NASDAQ:AAPL) are sitting at the top of the mobile OSs food chain.Windows got a leg up when it partnered with Nokia (NYSE:NOK) to replace the Symbian OS with Windows for future smartphones.Microsoft intends to widen its ecosystem of OEMs and developers by way of a united OS for PCs and mobile devices.
