Back in the days of the net bubble, which may turn out to have been just a hint of things to come, the Segway rolled in on a carpet of hype.
I was never sure how many of those tech CEOs were serious, and how many just wanted a distraction from impending doom.
The reality was more modest, but if you remember the original you'll enjoy the Onion's retrospective: In The Know: Do You Remember Life Before The Segway?
I've been on one by the way. I enjoyed it, but I much prefer my bicycle.