What retail innovation, introduced in 1916 by Clarence Saunders, revolutionized shopping by allowing customers to select their own merchandise rather than requesting items from clerks?

The history of retail has been marked by revolutionary innovations that transformed how we shop. From ancient marketplaces to digital storefronts, retail evolution reflects broader social and economic changes throughout human history. Test your knowledge about a pivotal moment in retail history that forever changed the consumer experience and set the foundation for modern shopping as we know it today.

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Piggly Wiggly self-service grocery store
Woolworth's five-and-dime store model
Marshall Field's department store browsing concept
Sears Roebuck mail-order catalog system