The researchers hypothesize that "Second Life," or other game- or VR-based systems, could be used as an alternative for people who face barriers (like a long distance from a clinic) to getting weight-loss training. Although "Second Life" and other systems have been used to study conditions like weight loss and addiction, this sounds like it's more of a heightened version of telemedicine: talking with your doctor on the phone or over the Web, but with an actual (virtual) person incorporated.