In which year was the first commercially successful self-checkout system introduced by NCR Corporation (then National Cash Register), revolutionizing retail operations?

The retail landscape has been transformed by numerous technological innovations that have changed how we shop. Among these, self-checkout systems represent a significant shift in the customer experience and store operations. This technology has evolved dramatically since its inception, but do you know when and where the first commercially successful self-checkout system made its debut? Test your knowledge of retail innovation history with this trivia question!

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1992
1986
2001
1978