Buying Guide: Best Windows Phone - which should you buy

With Windows Phone 7, Microsoft went from being a non-entity in the world of modern smartphones to becoming an important player. The old Windows Mobile operating systems had their fans, but they weren't as consumer-friendly as the iPhone and Android devices.WP7 changed all that, bringing integration with Facebook, a clear, touch-friendly user interface, slick multimedia functionality and Xbox Live games and connectivity.Of course, Microsoft didn't forget its roots, either. There's email and

lattest news