Described are methods and apparatus for encouraging viewers to pay attention to television programs, commercials in particular, by offering viewers some incentive to watch. In one embodiment, viewers are notified that they can receive frequent-flier miles for answering one or more simple questions at...http://www.google.com/patents/US20040205810?utm_source=gb-gplus-sharePatent US20040205810 - System and method for encouraging viewers to watch television programs
