I remember Ilan Spillinger (http://www.xbox.com/en-US/Press/Corporate/ilan-spillinger http://www.xbox.com/en-US/Press/Corporate/ilan-spillinger) saying somethin

I remember Ilan Spillinger (http://www.xbox.com/en-US/Press/Corporate/ilan-spillinger http://www.xbox.com/en-US/Press/Corporate/ilan-spillinger) saying something like that at a talk he gave recently- Microsoft Research played a huge role in the development, iirc. /edit: This talk has some info about it http://research.microsoft.com/apps/video/dl.aspx?id=139295 http://research.microsoft.com/apps/video/dl.aspx?id=139295 (MSR guy starts around 1h00m)