Which retail technology innovation, first introduced in 1992 at Price Chopper supermarket, allowed customers to scan their own purchases without cashier assistance?

The Internet of Things has dramatically transformed retail experiences over the decades. One particular invention revolutionized how customers interact with stores, significantly reducing checkout times and changing shopping behaviors forever. This innovation represented a pivotal moment when retail technology began shifting more control to the consumer and collecting valuable shopping pattern data. Test your knowledge of this retail technology milestone!

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Self-checkout kiosks
RFID inventory tracking
Electronic shelf labels
Smart shopping carts