Valve acknowledge the early Meet the Spy Leak with their very own Corporate Achievement!
UNLOCKED – Welcome to the internets: Fail to understand what ‘Private’ means on youtube
He is a puzzle, wrapped in an enigma, shrouded in riddles, lovingly sprinkled with intrigue, express mailed to Mystery, Alaska, and LOOK OUT BEHIND YOU! but it is too late. You’re dead. For he is the Spy—globetrotting rogue, lady killer (metaphorically) and mankiller (for real).
Check out all the Spy Achievements at the Official TF2 Blog