Oh wow, check out this article in Forbes about a technology that can be used to remotely control the direction a person aims toward. If this ever became mainstream, just imagine hordes of drunken-appearing attendees weaving their way through the aisles of a as exhibitors try to sway them to come to their booths! (If you go there, check out the video—she really does look drunk.)
Conference attendees lined up to try to maintain their balance as an NTT spokesperson gently steered them left and right. Some attempted to counteract the current's effects, while others almost ran into the crowd of onlookers as they stumbled haplessly along. But nearly everyone was curious.
Where might this research lead?
Nowhere I want to go, except maybe it'd be useful for flight simulation training. I can see it being incorporated into theme park rides, too, as another way to make virtual reality a little more real.