And then, there were three. Apple's Find my iPhone introduced a rather compelling idea -- one that involves locating your phone by tapping into the GPS lock that it was holding onto in someone else's arms. A few weeks back, Big Red announced a similar service for VZW-branded BlackBerry, webOS and Android phones, and now that Windows Phone 7 is making its red carpet reveal, we're learning that Microsoft's newest mobile OS has similar functionality baked in. The feature is teased in a new Microsoft video that shows off the cloud fu
