gestural input 'hack' with just a webcam!

Sorry if this has been posted already, I've been in a jungle for 2 weeks (o;

<http://www.hackszine.com/blog/archive/2008/11/hand_gesture_multitouch_using.html?CMP=OTC-7G2N43923558>

Apart from being the solution to smudgy touch interfaces... I think
this approach in input has a lot of potential such as a macro based
version of sign language
<http://library.thinkquest.org/05aug/01046/images/use/asl_clip_image002.jpg>

The other notable advantage over touch sensitive interfaces
(screens/monitors) being your arms/hands can interact with the
computer in a more ergonomically suitable position.

/pauric