eye tracking

http://www.engadget.com/2012/03/16/intel-drops-21-million-for-ten-percent-stake-in-eye-tracking-fi/

The more I look into this technology, the more I feel it's only really viable in combination with this technology

http://store.neurosky.com/


Any other type of selection method would just be frustrating. Blinking? Making noises (that would be fun, but it would irritate others), scrunching up your face? Raising your eyebrows? Well, that one might work... but I imagine it would get tiring. And how do you scroll your browser down?

Anyways, I guess what I'm getting at, is that I need one of these neurosky headsets... in a bad way. For experimentation.... and the children.