I'd put a wireless camera ala Justin.tv on the tricycle and hook the steering controls up to the internet. Then outsource the driving to India. The blind perso

I'd put a wireless camera ala Justin.tv on the tricycle and hook the steering controls up to the internet. Then outsource the driving to India. The blind person would state his destination and the Indian would drive him there using a mash-up of Google Latitude + webcam + wireless steering. The blind person would have to pedal.