Microsoft's $150 Xbox add-on, the Kinect, can use face-recognition technology to log you onto your Xbox Live account. But it's not trouble-free. To understand why, you need to know how it works.

We may earn a commission from links on this page. When I first unpacked the Kinect, the new controller-free motion-capture system for Xbox 360, I thought how awesome it would be to play with my ...

The Natal thread is 8 days short of being a full year old. The name is wrong. The date is wrong. And the price is wrong. It is time to assume some control here. You might even say that I am the ...