Which inventor pioneered the first true self-service grocery store concept in 1916, revolutionizing retail by allowing customers to select their own products from shelves?

The way we shop today seems natural, but the self-service retail model was once a revolutionary invention. Before this innovation, customers would give their shopping lists to clerks who would gather items for them. This poll tests your knowledge about a pivotal moment in retail history that fundamentally changed how we shop and influenced store designs, consumer behavior, and retail technology development for generations to come.

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Clarence Saunders with his Piggly Wiggly stores
Frank Woolworth with his five-and-dime stores
Sebastian Kresge with his S.S. Kresge Company
George Gilman with his Great Atlantic & Pacific Tea Company