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 behind counters?

Test your knowledge about a pivotal innovation in retail history that transformed how consumers shop and revolutionized the customer experience. This development forever changed the retail landscape and set the foundation for many modern shopping practices we take for granted today. Understanding these historical retail milestones helps product managers appreciate how retail innovations evolve and impact consumer behavior over time.

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Self-service grocery store (Piggly Wiggly)
Department store with multiple sections
Mail-order catalog with home delivery
Retail membership club with bulk purchasing