All these tech demos are nice, but of course most of you won't ever use it right now. That doesn't mean the availabilty and the open source nature of the Kinect hacks won't have any purpose. I can imagine that this will eventually lead to some great ways for people who lost a part of their arms to more easily browse websites in the future. You know, in case you don't want to train yourself to do it using brainwaves.
[*].disqus.comto your security software's whitelist.