Which pioneering retailer first introduced the revolutionary self-service shopping model in 1916, fundamentally changing retail by allowing customers to select their own merchandise without clerk assistance?

The retail landscape we know today wasn't always characterized by customers freely browsing products on shelves. For centuries, retail meant counter service where shopkeepers retrieved items for customers from behind counters or from storage. This poll explores a pivotal innovation that transformed retail history and shopping behavior forever, setting the stage for modern supermarkets and department stores as we know them.

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