> the yubikey is the possession that gives me the most delight. I savor the click when I plug it in. I take it out and look at it sometimes, tipping the gold USB contacts towards the light, muttering about how it was a birthday present. One day someone will win it from me in a riddle contest.

Yeah, just don't try to follow the winner having gamer remorse. Rumors are Mordor Security Agency gets serious searching for used keys...