Fecha de publicación: 05/04/2007 Fuente: WIPO "royal booby" A gambler reward system wherein gamblers in a casino can use their comp card to be ranked by play data relative to other gamblers in the casino (or connected properties). Gamblers who rank the highest can be identified and can be given rewards. A rank can be determined by many characteristics, such as the number of comp points earned or the amount won.