Gartner is predicting it.http://wmpoweruser.com/gartner-predicts-windows-phone-7-will-overtake-blackberry-in-2013-overtake-iphone-in-2015/?utm_source=twitterfeed&utm_medium=twitter

>Only one prognosticator, IDC. And it was built on a very long string of assumptions, e.g., that nearly every Nokia customer will switch to a WinMo phone. I think not. I've read commentators who either took them apart or deeply questioned the conclusion, and none who supported it.