When was the world's first self-checkout system introduced in a retail store?

Self-checkout technology revolutionized the retail experience, putting scanning power in customers' hands and forever changing store operations. This innovation reduced wait times, altered staffing needs, and created a new shopping paradigm. But do you know when this retail technology first appeared in stores? Test your knowledge of this pivotal retail advancement that transformed how we complete our purchases.

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1992, by Howard Schneider at a Price Chopper supermarket in New York
1985, by IBM at a Walmart store in Arkansas
2001, by NCR Corporation at a Kroger supermarket in Ohio
1974, by Pathmark supermarkets in New Jersey as an experimental system