Which retail innovation, first introduced in 1916 by Clarence Saunders, revolutionized grocery shopping by allowing customers to select their own items rather than having clerks gather products from behind counters?

Before supermarkets and department stores dominated retail landscapes, shopping looked quite different. The early 20th century saw revolutionary changes in how people purchased everyday goods, with innovations that fundamentally transformed commerce. Test your knowledge of retail history with this question about a pioneering concept that changed shopping forever!

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Piggly Wiggly (the first true self-service grocery store)
A&P Economy Stores (the first grocery chain with standardized pricing)
King Kullen (the first supermarket with multiple departments)
Southland Ice Company (the first convenience store, later becoming 7-Eleven)