Which retail technology invention, first introduced in 1974, revolutionized checkout efficiency and inventory management by using parallel lines to encode product information?

The retail landscape has evolved dramatically through technological innovations and customer-centric discoveries. Some inventions have fundamentally transformed the shopping experience, creating entirely new ways for consumers to interact with products and brands. This poll tests your knowledge of a pivotal invention in retail history that revolutionized the consumer experience and set the foundation for modern digital transformation in retail.

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The Universal Product Code (UPC) barcode scanner
The electromagnetic anti-theft security tag
The electronic point-of-sale (EPOS) system
The radio-frequency identification (RFID) tag