Which innovative retail concept was first introduced by Clarence Saunders in 1916, fundamentally changing how consumers shopped by allowing them to select their own items rather than requesting them from clerks?

The history of retail has seen dramatic transformations over centuries, from simple trading posts to complex digital marketplaces. The way products are sold tells us much about society, technology, and economics of each era. This trivia question focuses on a pivotal moment in retail history that forever changed how consumers interact with products. Test your knowledge about this revolutionary shift in retail history!

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Piggly Wiggly - America's first self-service grocery store
Woolworth's - The first five-and-dime store with open merchandise displays
A&P Economy Stores - The first chain store model with standardized pricing
Marshall Field's - Pioneer of the department store browsing concept