GTXO - Gartner: Smartphones spur mobile market to reach 1.6 billion units Global smartphone sales soared by 72% in 2010 as Research in Motion and Apple supplanted Sony Ericsson and Motorola Mobility for the fourth and fifth spots among the top five cell phone companies, according to Gartner, which pegged total handset sales at 1.6 billion units. Sales of phones equipped with Android software surpassed Nokia's sales of Symbian-equipped handsets, although Symbian maintained its lead as the top operating system. Bloomberg Businessweek (2/9)