iPhone most popular in US, while Android popular worldwide in Q4 2012: Report
"At the end of 2012, the global (operating system) picture shows Android on top, but clearly the rate of growth it experienced over the past year is beginning to slow as easy wins from first-time smartphone buyers begin to reduce," said Kantar global ...
Android Continued Global Market Dominance in 2012 Q4
Apple Continues To Dominate Android In US Smartphone Sales [Report]
iPhone Beats Android In U.S. Market