The Associated Press has as story about a new technology from Japan that allows a person to navigate the virtual world of Second Life using their own body.
Using a hip mounted camera and special floor mat, this new technology allows for full virtual mirroring of real world movements. This looks to be pretty interesting technology. The picture appears to be a pretty large room and screen. I wonder if this technology could be adapted to a treadmill? Check out the full article for all the details.