Straight out of "Minority Report"

[roseembolism]

According to Tor.com, one of the film's science advisers has formed a company that is actually trying to make a reality of the coolest thing in that film: the special computer interface that uses arm gestures to manipulate images. It DOES look neat:

However, I'm not sure how practical it would be in real life: aside from accidentally moving the image when I twitch or respond to someone, I'd have concerns about having to stay standing for long periods of time. Still, it might be useful for people who do heavy image manipulation, like Cadcam or CGI artists.