Chances are you’ve already seen this, but here’s g-speak from Oblong Industries.
http://vimeo.com/moogaloop.swf?clip_id=2229299&server=vimeo.com&show_title=1&show_byline=1&show_portrait=1&color=FF7700&fullscreen=1
g-speak overview 1828121108 from john underkoffler on Vimeo.
If some of the core ideas are familiar from the film Minority Report, the similarity is no coincidence.
One of Oblong’s founders served as science advisor to Minority Report and based the design of those scenes directly on his work at MIT.