<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.

Dragons are fractal creatures of magic, capable of shrinking or expanding to any size. Taneb invented them to live inside his string diagrams, but they prefer to hover around pinheads and feed on angels.