In which year was the first self-service checkout system commercially deployed in a retail store?

The retail landscape has been transformed by numerous technological innovations over the decades. One particularly impactful advancement was the introduction of self-service checkout systems, which dramatically changed the customer experience and store operations. This technology represented a significant shift in retail strategy, balancing customer convenience with operational efficiency. Test your knowledge about this retail technology milestone that changed shopping behaviors worldwide.

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1992 (Price Chopper in New York)
1986 (Walmart in Arkansas)
2001 (Target in California)
1998 (Tesco in the UK)