There's no proven-beyond-a-doubt explanation yet as to why people start veering when electricity hits their ear. But NTT researchers say they were able to make a person walk along a route in the shape of a giant pretzel using this technique.

Nippon Telegraph & Telephone Corp., Japan's top telephone company, says it is developing the technology to perhaps make video games more realistic. But more sinister applications also come to mind.

It sounds so good now, but I can imagine the possibilities... It's mind control for the masses.