“During the same period, Android’s share of the market fell to 41.9% of the market, while Microsoft Windows Phone held 2.7% share,” Savitz reports. “Research In Motion had just 1.4% of the market in the period.”
Savitz reports, “Among iPhone buyers in November, 27% upgraded from another smartphone OS, 34% upgraded from a previous iPhone and 40% upgraded to their first smartphone.”

Kantar Worldpanel U.S. smartphone market share (12 week period ending Nov. 25, 2012)
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