Xbox One Kinect is Eagle Eye....

Microsoft also demonstrated a few more tricks made possible by the new Kinect's enhanced sense of depth, its greater field of view - which does make closer gaming in smaller apartments a more feasible – its ability to see in the dark via infrared, and its flattering scrutiny of facial features. By examining your face's skin color and transparency, the Kinect and Xbox One are able to estimate your current heart rate. Whether or not someone puts that information to good use in Kinect games or fitness programs is another matter, as we've learned from Nintendo's flatlined "vitality sensor."