I wonder how good this can be at spatial accuracy. With optical motion sensing, you can relate gestures to physical space: you can point at something. I love t

I wonder how good this can be at spatial accuracy. With optical motion sensing, you can relate gestures to physical space: you can point at something. I love the concept here, but I wonder how it can go beyond "the user is wagging their finger" to "the user is pointing at an object on the screen"