Luis De Matos, is working on a project called wi-GO. The project aims at easing the individuals with disabilities do their day-to-day works with the help of Kinect and a cart. It is basically a motorized cart, with a sensor mounted at the back of the cart.

kinect for disabled wi GO helps people with disability perform day to day works [Kinect]

Kinect senses the individual with disability moving at the front of the cart. It manages to keep considerable amount of distance to avoid collision. The video demo is self-explanatory. Here goes the video.