Microsoft CEO Steve Ballmer
1 of 11 from Windows Phone 7 Series (photos)
Scroll Right Scroll Left
At Mobile World Congress 2010, Microsoft took the wraps off Windows Phone 7. Microsoft CEO Steve Ballmer was in Barcelona for the reveal and also talked about how the OS came to be.
February 16, 2010 7:02 AM PST
Photo by: Bonnie Cha/CNET
%20-%20CNET%20Reviews&srcUrl=http://reviews.cnet.com/2300-13970_7-10002460.html&x_breadcrumb=7269:13970){kind=small}