You can see pictures of people trying it out at Epcot.....
http://www.themeparkreview.net/flspring04/flspring1.htm
There are a lot of other random pictures on that site, the two people, Ellisa and Rob travel around to hundreds of parks, take thousands of pictures and video. They are one of the most reconginizable couples in the coaster world (not that anyone else knows)
They also made a small video that shows them riding the segway through epcot:
http://www.themeparkreview.com/videos/video.htm
Scroll down to the first box.....