How the Smiley Was Invented: "No, no, no! Surely everyone will agree that '&' is the funniest character on the keyboard. It looks funny (like a jolly fat man in convulsions of laughter). It sounds funny (say it loud and fast three times). I just know if I could get my nose into the vacuum of the CRT it would even smell funny!"
(via b3ta, which linked to the parent page.)