Which inventory management technology, invented in 1952 but not widely adopted until the 1970s, revolutionized retail by enabling automated checkout and real-time inventory tracking?

The history of retail innovation is filled with groundbreaking technologies and systems that forever changed how we shop. While some innovations were immediately recognized as revolutionary, others took time to transform the consumer landscape. This trivia question explores a significant technological advancement that reshaped retail inventory management and consumer experiences worldwide.

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Barcode (Universal Product Code/UPC)
RFID (Radio-Frequency Identification)
Electronic Cash Register (ECR)
Magnetic Stripe Reader