International Data Corp. makes a surprising bet that Windows Phone 7 (MSFT +0.7%) will beat...

|By:, SA News Editor

International Data Corp. makes a surprising bet that Windows Phone 7 (MSFT +0.7%) will beat iPhone (AAPL -0.7%) on market share, with 20.9% of the market vs. 15.3% by 2015, to become the world’s second-most popular smartphone OS. Phones running on Android (GOOG +0.3%) will take up 45.4% of the market, IDC predicts.