In accordance with embodiments of the present invention an offer is presented to a player (e.g., at a gaming device or a table game in a casino). The offer defines a benefit to be provided in exchange for the player's commitment to an obligation defined by the offer. The offer may be provided once it...http://www.google.de/patents/US7094149?utm_source=gb-gplus-sharePatent US7094149 - Methods and systems for facilitating play at a gaming device by means of third party offers
