When Microsoft shows off a motion-sensing system shortly after it's been revealed that is has acquired a motion-sensing camera maker, it's easy to see how people can draw conclusions that the two are related. But according to Microsoft, that is not the case, and its Project Natal is actually based on work that has been "going on for a long time." That word comes from a VentureBeat interview with Microsoft's Shane Kim, who further added that "none of those rumors did justice to what we were actually doing wi