Which pioneering American retailer is credited with inventing the modern self-service grocery store concept in 1916, revolutionizing retail by allowing customers to select their own merchandise?

Before self-service stores became the norm, shopping was a completely different experience. Customers would give their shopping lists to clerks who would fetch items from behind counters. The transition to self-service revolutionized retail history and consumer behavior. This poll explores a pivotal moment in retail innovation that fundamentally changed how we shop today.

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Clarence Saunders with Piggly Wiggly
Frank W. Woolworth with F.W. Woolworth Company
John Wanamaker with Wanamaker's Department Store
Sebastian S. Kresge with S.S. Kresge Company (later Kmart)