Which retailer is credited with pioneering the first true self-service grocery shopping model in 1916, forever changing how consumers interact with products in stores?

Throughout history, retail has transformed dramatically. From ancient markets to digital commerce, certain innovations have revolutionized how we shop. This trivia question focuses on a pivotal moment in retail history that fundamentally changed consumer behavior and set the stage for modern shopping experiences. Test your knowledge about the origins of self-service shopping - a concept we now take for granted but was once revolutionary.

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Piggly Wiggly (founded by Clarence Saunders)
A&P (The Great Atlantic & Pacific Tea Company)
Woolworth's Five and Dime Store
Montgomery Ward