Which company invented and installed the world's first commercially successful self-checkout system in retail stores?

Self-checkout technology revolutionized the retail experience by allowing customers to scan, bag, and pay for items without cashier assistance. This innovation has dramatically transformed store operations, customer flow, and employment patterns in retail. Test your knowledge about this significant retail technology breakthrough that changed how we shop forever.

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IBM (International Business Machines)
NCR Corporation (National Cash Register)
Fujitsu
Wincor Nixdorf