Which 1970s invention is considered revolutionary for retail by allowing products to be uniquely identified at checkout without manual price entry?

Throughout history, inventors and entrepreneurs have transformed the retail experience with groundbreaking technologies. These innovations have revolutionized how products are marketed, purchased, and delivered to consumers. This poll tests your knowledge about a pivotal invention that fundamentally changed product advertising and retail operations, creating new shopping habits that persist to this day.

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Universal Product Code (UPC) barcode system
Electronic shelf labels (ESLs)
RFID (Radio-frequency identification) tags
Digital price scanners with manual entry