STAMFORD, Conn., September 10, 2010 —    The worldwide mobile operating system (OS) market will be dominated by Symbian and Android, as the two OSs will account for 59.8 percent of mobile OS sales by 2014, according to Gartner, Inc. ... Gartner predicts that by 2014, open-source platforms will continue to dominate more than 60 percent of the market for smartphones. Single-source platforms, such as Apple's iOS and Research In Motion's OS, will increase in unit terms, but their growth rate will be below market average and not enough to sustain share increase. Windows Phone will be relegated...