smart-shelfWhy does a dressing room want your digits? Retailers are incorporating new sensors and screens into stores to better track customers. Sometimes, that means having a smart fitting-room mirror use RFID to know which outfits you tried on and save it to your profile with a phone number. It’s not just the dressing room that’s getting a high-tech makeover. Shopping carts come with tablets to keep track of your spending and show ads for products in your aisle. And shelves are watching which products you pick up. At the National Retail Federation’s annual trade show in New York, we get a taste of new tech coming to a store near you: CNET