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Nowadays you can check whether that Doritos flavor is in stock at your local Walmart, without stepping out of the house, thanks to the invention of barcodes. RFIDs (radio-frequency identification) and barcodes have made product tracking, price checking, and inventory counting a quick, real-time, and centralized process. This unit dives into the history of the RFID during World War II, the development of barcodes and its differences from RFIDs, and the logistical roles both play in supply chain management like tracking, quantifying, and locating products.

Unit 7 eBook: RFID/ Barcodes

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