GeckoSystems Intl. Corp. (GOSY)

[Toxic Avenger]

You're reinforcing a very important point. Collision avoidance is one tiny piece of the reason why the disabled who could benefit from a motorized wheelchair don't have one.

Bumping into people and walls may be annoying and damage property, maybe even some broken bones, but going down a staircase, rolling down a steep incline too quickly, falling into a pool or into a grate, can be fatal.