Windows Mobile third quarter of 2009 Windows Mobile's share of worldwide smartphone sales was 7.9%. By August 2010, it was the least popular smartphone operating system, with a 5% share of the worldwide smartphone market (after Symbian, BlackBerry OS, Android and iOS). An October 2009 report in "DigiTimes" said that Acer will shift its focus from Windows Mobile to Google Android. "The New York Times" reported in 2009 that Windows Mobile "is foundering", as cellphone makers desert it in favor of Google's Android phone platform. It cited the difficulties in Microsoft's business model, which involves charging handset manufacturers up to $25 for
Market share to help the brand identify market share growth opportunities. "Although market share is likely the single most important marketing metric, there is no generally acknowledged best method for calculating it. This is unfortunate, as different methods may yield not only different computations of market share at a given moment, but also widely divergent trends over time. The reasons for these disparities include variations in the lenses through which share is viewed (units versus dollars), where in the channel the measurements are taken (shipments from manufacturers versus consumer purchases), market definition (scope of the competitive universe), and measurement error." Market share