Back in 1999, as he prepared to make a movie called The Minority Report, Steven Spielberg gathered top science and technology types to an "idea summit" where they would share thoughts on what things might look like in 50 years. To mark the ten year anniversary of the movie's release, Wired asked a dozen of the summit attendees to reflect on the experience. According to one participant: "There was no shortage of megalomania, although there was good reason for it."
kottke.org posts about Minority Report
Real-world Minority Report computer interface Jun 10 2010
John Underkoffler was one of the science advisors for Minority Report. After doing that, he helped build a computer with an interface very much like the ones in the movie...you know, where Tom Cruise flings stuff around on a screen with his hands. In this TED talk, Underkoffler demonstrates the system.
The whole thing is worth watching but skip to 5:20 (or even 6:30) if you want to see some crazy ass shit go down. (via lonelysandwich)