Have you ever heard of dance dance revolution? The coin-operated game in
arcades where people dance with touchpads under their feet, and has
taken the world by storm, with cult status in Japan as well as here?
In any case, this article describes how the touchpad technology of that
game is being introduced as a way for users to interact with email. This
is an excellent example of a technology being used for a single
application,(entertainment) and then expanding into other
uses,(disability access, etc) inevitably not in an area that the device
was originally designed for.
(for more info on UD, check out: