A system for deriving benefits from the reception and processing of
composite video signals by a hand-held device, such as a smart card.
Video signals are modulated with auxiliary data creating composite video
signals. The composite video signals are then transmitted to and received
by a hand-held device. The auxiliary data is then detected in the
modulated video signal by circuitry of the hand-held device. The user
receives benefits resulting from the reception of the auxiliary data.