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Lululemon, like most retailers, continues to use bar codes alongside its RFID system. Each barcode identifies a particular product and its manufacturer. The RFID transponder contains this information as well, but a unique serial number is appended to the barcode to identify each specific instance of that item. This means RFID can be used to quickly take inventory counts, though barcodes can be utilized at the point of sale, or if the RFID transponder on an item no longer works.
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