Which retail innovation, first introduced by Clarence Saunders in 1916, revolutionized shopping by allowing customers to select their own merchandise directly from shelves?

The retail landscape was forever changed when a revolutionary concept allowed customers to select their own products without clerk assistance. This innovation transformed shopping efficiency and fundamentally altered store layouts, inventory management, and the customer experience. Test your knowledge about this pivotal development in retail history that we now take for granted but was once considered radical and risky.

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Piggly Wiggly self-service grocery store
A&P checkout counter system
Woolworth's open display merchandising
Keedoozle automated grocery store