After they built the eyetracker they took the whole idea to an even higher level. Since Tony can not leave his bedroom, the group used a high performance beamer to project his art live onto walls in the city. For me the story shows two things. First it is amazing what kind of possibilities technology offers for people with disabilities. Secondly it is interesting to see how the falling prizes for complex hardware are leading to a true democratization of high-end technologies. Nowadays in order to accomplish something all you need is a dedicated group of hackers since the hardware is getting cheaper and cheaper every day.