Abstract: A system and method for monitoring persons in a store. The method includes monitoring movement of persons in the store with means for detecting movement, presence and/or location of a person, determining product purchase information and/or information related to picking a product from a shelf, the information received from POS-system, cash register, camera system, RFID reader, or a sensor, such as a shelf sensor, determining location of the sold and/or products taken from a shelf based on the determined product purchase information and a shelf-map of the store and/or the location information related to an electronic price label related to a product, and providing customer product selection event information for a specific product, for a specific product type, and/or specific location of the store based on determined location of sold products, information related to picking the product from the shelf and monitored movement of persons on a certain location of a store, e.g. in proximity of a certain shelf.