Which retailer is credited with pioneering the self-service grocery store concept in 1916, fundamentally changing how customers shopped by allowing them to select their own items rather than requesting them from clerks?

The retail landscape hasn't always been as we know it today. Throughout history, certain innovations have dramatically transformed how people shop. This trivia question explores one of the most significant retail format changes of the early 20th century that revolutionized shopping efficiency and customer experience. Test your knowledge about the origins of a shopping method we now take for granted!

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Piggly Wiggly, founded by Clarence Saunders in Memphis, Tennessee
A&P (The Great Atlantic & Pacific Tea Company), under John Hartford's leadership
Woolworth's, as part of Frank Woolworth's five-and-dime store expansion
Sears, Roebuck and Co., transitioning from catalog to physical retail