15. The system of claim 1 wherein the action processing unit is coupled to the media storage and a server, and is adapted to purchase items using the identified mixed media document.
15. The system of claim 1 wherein the action processing unit is coupled to the media storage and a server, and is adapted to purchase items using the identified mixed media document. 19. The system of claim 15 wherein: the action of the identified mixed media document is a payment; and the action processing unit is adapted to identify a source for the payment and a recipient of the payment from identified mixed media document, the action processing unit adapted to communicate with the server to initiate, authorize, and confirm the payment.