In this near-future, it’s very hard to identify the ‘U’ in UI’ – that is, the User in User-Interface. It’s not so clear anymore what these things are. Tools… or something more.
Pretty much every TV at CES had the same functionality: Wi-Fi. Gesture control. Voice control. Given your console, your TV, your cable box, your light switches, your hi-fi, your phone, your tablet will have these performative technologies, we’ve got to find ways to add direction to our waving hands and faltering voices.

Minority Report science adviser and inventor John 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?

Via TED.