Which American retail chain is credited with pioneering the first true self-service grocery store concept in 1916, revolutionizing how people shop?

The way we shop today seems natural, but it was once revolutionary. Before the early 20th century, shoppers didn't select their own products from shelves. Instead, they gave their shopping lists to clerks who gathered items for them. This poll tests your knowledge about one of the most significant innovations in retail history that forever changed how we shop and established the foundation for modern supermarkets and department stores.

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Piggly Wiggly
A&P (Great Atlantic & Pacific Tea Company)
Woolworth's
Safeway