10 devices, over 60  carriers in 30 countries and Windows Phone 7 has managed to grind out 1.5 million units sold. A positive spark in adoption and hopefully a sign of things to come for Microsoft's rebooted smartphone OS. Still a small figure in the larger scheme of things, the early adoption of WP7 is a good sign specially in the wake of the constant waves of Android devices now saturating the smartphone market. For more info from Microsoft, click here.