On Wed, 28 Feb 2007 23:55:57 +0000, Michael Hoffman
wrote:

Once every major city has one it will be pretty difficult to keep up for
world travelers. Especially if they are not enthusiasts who enjoy
keeping such things.

Especially given that some of them (e.g. the EZ-Link) expire. I think
you only get a year, so mine's a pure souvenir.

Neil