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Zara, Uniqlo and American Eagle are among those leaning on RFID technology for abilities like self-checkout and better inventory tracking, while more companies join the ‘cult of RFID’ each year. With RFID, you simply wave a wand over a tagged item to identify it. Inventory audits that once required long hours counting stock by hand every six or 12 months could be replaced with fast, frequent updates, letting stores know what needed to be replenished on the sales floor, what was out of stock and