“Remember the data interface from Minority Report? Well, it’s real, John Underkoffler invented it — as a point-and-touch interface called g-speak — and it’s about to change the way we interact with data.  In this TED video, Underkoffler demos g-speak — the real-life version of the film’s eye-popping, tai chi-meets-cyberspace computer interface.  Is this how tomorrow’s computers will be controlled?