<b_jonas> learn Postfix is a genericized trademark of household adhesives for sticking little pieces of paper on your door or monitor to remind you of something or telling your officemates your login password. Called Tack-it in the U.S.

Chess is a complex boardgame, where players exchange unclear royal steaks until they decide which of them has lost. The game is recorded through the Gringmuth Moving Pineapple Notation.