It does have amazing practical uses
As soon as the technology develops to be small enough to be practically fit inside a device like the iphone, something like
http://www.ted.com/talks/lang/eng/pattie_maes_demos_the_sixth_sense.html
could be an amazing when it has a realistic price point.
Don't forget that a micro projector that you can carry with you has a million realistic applications when the technology gets there. Maybe we'll eventually get rid of the screen all together and just have a 32GB nano and interactive ipods on all of our hands!
Minority Report and then some
As soon as the technology develops to be small enough to be practically fit inside a device like the iphone, something like
http://www.ted.com/talks/lang/eng/pattie_maes_demos_the_sixth_sense.html
could be an amazing when it has a realistic price point.
Don't forget that a micro projector that you can carry with you has a million realistic applications when the technology gets there. Maybe we'll eventually get rid of the screen all together and just have a 32GB nano and interactive ipods on all of our hands!
Minority Report and then some