Which retail giant pioneered the first modern self-service shopping format in 1916, revolutionizing retail by allowing customers to select their own goods instead of requesting them from clerks?

Throughout history, certain retail innovations and companies have fundamentally changed how people shop and consume goods. This trivia question explores a pivotal moment in retail history that shaped modern commerce. Test your knowledge about how one of today's familiar retail concepts first emerged and transformed the shopping experience forever.

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Piggly Wiggly, founded by Clarence Saunders
A&P (Great Atlantic & Pacific Tea Company), founded by George Gilman
Woolworth's, founded by Frank Winfield Woolworth
Sears, Roebuck and Co., founded by Richard Warren Sears and Alvah Curtis Roebuck