Nielsen: Android accounts for 39 percent of smartphones in the US, Apple is the top device makerBy D. Wollman, 07.28.2011
ComScore: Android grows larger than ever among US subscribers, Apple belittles RIMBy J. Pollicino, 06.06.2011
Comscore report finds widening Android lead in US smartphone market, largely at RIM's expenseBy D. Melanson, 05.08.2011
Canalys: iPhone becomes most popular smartphone in the US, Android continues as most popular OSBy T. Stevens, 11.01.2010