[libraryatnight]

I remember a Simpsons joke where Homer finds out the government has everyone's DNA on file and asks about it and they say "Yep everyone who's touched a penny since 1932" or something.

Turns out it didn't need to be that elaborate, you could just ask folks to mail it in ;)

[teagoat]

you could just ask folks to mail it in (and pay for the privilege)