Which retail innovation, introduced in 1916 by Clarence Saunders, revolutionized shopping by allowing customers to select their own merchandise and is considered the precursor to modern supermarkets?

The retail landscape has undergone dramatic transformations throughout history. One of the most significant shifts occurred in the early 20th century when traditional clerk-serviced stores began evolving into self-service operations. This change fundamentally altered how consumers interacted with products and revolutionized retail marketing, store layouts, and promotional strategies. Test your knowledge about this pivotal moment in retail history that set the foundation for modern shopping experiences.

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Piggly Wiggly self-service grocery store
Marshall Field's department store catalog
Woolworth's five-and-dime pricing model
Montgomery Ward's mail-order business