Which American entrepreneur founded the first true self-service grocery store in 1916, revolutionizing retail by allowing customers to select their own products?

The retail industry has undergone numerous transformations throughout history, revolutionizing how consumers shop. One of the most significant innovations was the introduction of self-service grocery stores, which fundamentally changed retail operations, supply chain management, and customer engagement. This poll tests your knowledge about a pivotal moment in retail history that shaped modern shopping experiences.

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Clarence Saunders (Piggly Wiggly)
Frank W. Woolworth (Woolworth's)
Sebastian S. Kresge (Kmart)
George H. Hartford (A&P)