alt Hacker NewsMy kid is using a webcam based head tracker with a combat flight sim of some sort. You don't want to move your head too far since you are looking at the monitor right? It works kind of like mouse acceleration where if you move your head quickly, it changes perspective further.
Yes, this tech has long been used to great effect for flight sims. It might seem odd if you've never used it, but it turns out it's very intuitive.