The Copenhagen Wheel (Video) (http://www.youtube.com/watch?v=AtAQ6dA3WhQ)
Superpedestrian Copenhagen Wheel (Video Review) (http://www.youtube.com/watch?v=6GaB-dhGKok)
FlyKly Smart Wheel (Video) (http://www.youtube.com/watch?v=_Hm_lb2anF0)
In addition to bicycling, a person could incorporate a smart wheel into one of their projects.
Gravock