The article provides a tidbit of new information about how the device recognizes people. In the case of identical, identically-dressed twins, the Kinect's software will evidently distinguish between the two by asking each to identify him or herself. "'If it can't disambiguate, we say, 'Please tell us if you are A or B,'" Xbox director of incubation Alex Kipman said. "Then, you end up with the equivalent of a different bar code." You'll be able to turn your family into bar codes on November 4.