Doesn't actually distribute humans, but rather, is powered by a human.
Looks to be a promo, but amusing nonetheless.
Unique ID: http://www.highprogrammer.com/alan/numbers/
Provides random things, like Driver's License Numbers calculation and verification. I tried the Maryland one, and it's surprisingly accurate.
There's also, linked from that site, an anatomy of credit cards: http://www.merriampark.com/anatomycc.htm
which links to a frightfully long article on credit cards: http://euro.ecom.cmu.edu/resources/elibrary/everycc.htm
And a friend pointed this out to me:
It's not actually the application I'm interested in - I haven't tried that. It's the website that's amazing.