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

Retail technology innovations have transformed how consumers interact with products and complete transactions. From cash registers to mobile payments, technological advancements have continuously reshaped the retail landscape. One particularly significant innovation changed the face of retail operations forever by putting transaction control directly in customers' hands. Test your knowledge about this retail technology milestone that revolutionized checkout efficiency and customer experience.

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1992 (Price Chopper supermarket in New York)
1987 (Walmart in Arkansas)
1998 (Kroger in Cincinnati)
2001 (Target in Minneapolis)