Which American entrepreneur is credited with inventing the world's first true self-service grocery store concept in 1916, revolutionizing retail by allowing customers to select their own merchandise?

Before modern supermarkets, grocery shopping was a completely different experience. Customers would hand their shopping lists to clerks who would gather items from behind counters. This poll explores a pivotal innovation that transformed retail forever and set the foundation for the modern shopping experience we take for granted today. Test your knowledge about this revolutionary retail concept that changed consumer behavior and store design permanently.

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Clarence Saunders (Piggly Wiggly)
Frank Woolworth (F.W. Woolworth Company)
Sebastian S. Kresge (S.S. Kresge Company/Kmart)
George Huntington Hartford (The Great Atlantic & Pacific Tea Company/A&P)