Nippon Telegraph & Telephone (NTT) can make you dance. They use a technology called “galvanic vestibular stimulation” which sends low-power electric currents into the subject’s inner ear, giving them their irresistable urge to move in a specific, controllable direction. Using a joystick, NTT has made individuals walk in a pretzel shape.
NTT has also made the pulses time with music, causing a disorienting effect similar, perhaps, to drugs. Not surprisingly, some people like it, some hate it. The technology might be pretty cool for games, though, as it could add sensation of balance and perhaps g-forces to, say, racing games.
Yahoo News! has the whole article.