'Mind over matter' no longer science fiction Remember those displays where you could strap on a head band and "draw" "pictures" with "colors". Personally - They didn't work. Maybe I need to think harder!
Anyway, now the technology has advanced to the point where in <15 seconds a computer can workout which letter you're looking at using just brain waves (instead of eye movement in previous endevours). Next step of course is to do it without the physical contact... and then we're all in trouble :P