Which American grocery chain is credited with pioneering the first true 'self-service' shopping model in 1916, where customers could select their own items without clerk assistance?

Before modern supermarkets transformed how we shop, grocery stores operated quite differently. Customers would give their shopping lists to clerks who would gather items from behind counters. This poll explores a pivotal innovation in retail history that fundamentally changed consumer shopping behavior and set the stage for modern retail experiences. Test your knowledge of this revolutionary shift in retail history!

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Piggly Wiggly
A&P (Great Atlantic & Pacific Tea Company)
Safeway
Kroger