Just because they still swing from vines?
Sounds like some great, unregulated, free, transportation.
But....there is this problem with being in shape enough to swing from vines.
Hmm...
Maybe, we can come up with a way to enslave ourselves, so we can sit on the couch, get fat and download the world to our goggles.
Hmm...now which one of these seems backwards? Hahahaha
Peace
Doug
Freedom is the effect. Are you the cause?