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

Before we had the convenience of scanning our own groceries, someone had to invent the first self-checkout system. This innovative retail technology changed how we shop forever, reducing wait times and transforming the customer experience. But do you know when this retail revolution began? Test your knowledge about this significant milestone in retail technology that bridged the gap between traditional shopping and our increasingly automated present.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

1992 by Howard Schneider, first installed at Price Chopper Supermarket in New York
1985 by IBM's Retail Division, first installed at Walmart in Arkansas
1998 by NCR Corporation, first installed at Kroger stores in Cincinnati
2001 by Amazon's early retail technology team, first installed at Whole Foods in Seattle