How Some Stores Track Shoppers' Every Move - NBC Chicago

    How Some Stores Track Shoppers' Every Move

    When a shopper enters some stores, technology taps into the smartphone's WiFi signal. That allows the retailer to physically track a shopper’s movement through the store. Lisa Parker reports. (Published Tuesday, Jul 23, 2013) When a shopper enters some stores, technology taps into the smartphone's WiFi signal. That allows the retailer to physically track a shopper’s movement... See More