Keep the cards, take them home with you, or destroy them NEVER leave them behind in the room or room waste basket, and NEVER turn them in to the front desk when you check out of a room.Clicky for more (hat tip: A Sabre Geek)
Update: nuts, it’s an urban legend. As you were. Still, at least it gave me an opportunity to try out the new Blogger toolbar for MS-Word.
Update 2: Blogger toolbar sucks.