I hadn't heard of that - here's a Microsoft Research video: http://research.microsoft.com/apps/video/dl.aspx?id=173013 http://research.microsoft.com/apps/video/

I hadn't heard of that - here's a Microsoft Research video: http://research.microsoft.com/apps/video/dl.aspx?id=173013 http://research.microsoft.com/apps/video/dl.aspx?id=173013 Sadly the video player is horrible, and I didn't see this video on YouTube.