Which retail innovation was first patented in 1951 by Norman Joseph Woodland and Bernard Silver, but wasn't successfully implemented in stores until the 1970s?

The retail landscape has been transformed by technological innovations throughout history. From humble beginnings to sophisticated systems, retail tech has evolved dramatically. This question focuses on a pivotal invention that revolutionized retail operations and inventory management. Test your knowledge of retail tech history!

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Barcode scanning system
Electronic cash register
Self-checkout kiosk
RFID inventory tracking