Sony played this mind-boggling video at their executive Conference this year.

http://www.youtube.com/watch?v=cL9Wu2kWwSY

Ted talks, Pattie Maes & Pranav Mistry: Unveiling the "Sixth Sense," game-changing wearable tech

http://www.ted.com/talks/pattie_maes_demos_the_sixth_sense.html
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Whoever undertakes to set himself up as a judge of
Truth and Knowledge is shipwrecked by the laughter
of the gods.

-- Albert Einstein