An information processing system is for determining information about consumers at a store where at least some of the consumers may carry personal mobile wireless devices, and each personal wireless mobile device may transmit signals for identifying the respective consumer. The system may include at least one RF receiver device arranged about the store for receiving communications from the personal mobile wireless devices, and a processor coupled to the at least one RF receiver device. The processor may be for generating consumer position data of the consumers during movement about the store based upon communications from the respective personal mobile wireless devices to the at least one RE receiver device, and associating the consumer position data with respective identities of the consumers.