Now here would be something for a reality show for all you inventors. swanz wants to jump. we need to come up with a destination, because what goes up must come down, we need a conveyance and a way of landing appropriate for a... (no you get to describe him too). You don't want him to come down? You want him to stay down?
I watched a whole segment about this on 60 minutes.
You wonder how they got started, and who came up with the idea. My guess is they were freebase jumpers, and then, after watching a snuggie commercial, the light bulb went off.