Android, iOS face heat from rivals Tizen, Ubuntu, others
A handful of new smartphone platforms are expected to become available this year, challenging the stranglehold of the two market leaders, Google's Android and Apple's iOS. Android and Apple account for more than 90 percent of the surging smartphone market, and third place is being contested by BlackBerry and Microsoft's Windows Phone. But phones using operating systems based on the open-source platforms Linux and Mozilla's Firefox will be hitting the market this year, most likely in emerging markets. Among smartphone makers, "there is a consensus that there is room for a couple more operating systems," said Ramon Llamas, analyst with the research firm IDC. "Maybe not globally, but in some markets which could be used as proving grounds." An IDC survey showed Apple and Android accounted for 91.1 percent of all smartphones sold in 2012, but that new platforms are worth watching in a market with 46 percent growth last year. ...