...if I were to spend a week in a new and fascinating place like, say, Athens or London or ... well, pretty much any big old city, I think a Strida would be a great thing to bring along. Anyplace you can walk, you can ride a Strida and probably not piss off the other pedestrians. You can ride it as slow as walking, or up to about three times walking speed, which saves a lot of time, all without giving up anything in terms of public transit.

...managed to get it on a plane as a "personal mobility device."