Which pioneering retailer first introduced the self-service shopping concept in 1916, allowing customers to select their own groceries rather than having clerks gather items for them?

The way we shop today seems intuitive, but the self-service retail model we take for granted was once revolutionary. Before the early 20th century, customers would give their shopping lists to clerks who gathered items from behind counters. The transition to self-service fundamentally transformed retail psychology, store design, packaging, and ultimately led to the supermarket model that dominates modern retail. Test your knowledge about this pivotal shift in retail history!

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Piggly Wiggly, founded by Clarence Saunders in Memphis
A&P (Great Atlantic & Pacific Tea Company), founded by George Gilman
King Kullen, founded by Michael Cullen in New York
Woolworth's, founded by Frank Winfield Woolworth