System and method employing a portable card to configure a store for product promotion

摘要

Disclosed are systems and methods employing a portable card to configure a commercial system. An exemplary system acts to read from the card at a first location in the store, to process a signal corresponding to a first promotion set stored on the card. The exemplary system also acts to read from the card at a second location in the store, to process a signal corresponding to a second promotion set stored on the card.