Post-ID: thread-20130418130257-qdb-309377 Created-At: 2013-04-18T13:02:57Z Board-Tags: general Imported-Score-Seed: 58 Imported-Vote-Count-Seed: 118 What's the extra four-digit code on my library card? Missile access code For emergencies Even our government isn't that stupid * Zetetic hopes what does it read? Four digits I'd tell you, but I'm worried Tonitrus is right So I don't want to say it on a public channel