Usernames are, to me, just another element in a person's profile. Whenever I see "taco_saurus" "chrisin${AIRPORT_CODE}" or "[a-z]{3}19[789]\d", I have learned s

Usernames are, to me, just another element in a person's profile. Whenever I see "taco_saurus" "chrisin${AIRPORT_CODE}" or "[a-z]{3}19[789]\d", I have learned something about that user's personality.