Which retail innovation was first introduced by Clarence Saunders in 1916, fundamentally changing how consumers shopped by allowing them to select their own merchandise?

Test your knowledge about groundbreaking retail innovations that transformed how products reached consumers throughout history. Many retail technologies we take for granted today were once revolutionary concepts that dramatically changed shopping experiences and consumer behavior. This poll explores a significant retail innovation that permanently altered commercial landscapes worldwide and set the stage for modern retail operations.

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Self-service grocery store (Piggly Wiggly)
Department store with fixed pricing (Bon Marché)
Mail-order catalog shopping (Montgomery Ward)
Retail membership club model (Price Club)