Which retail innovation, introduced in 1916, fundamentally transformed shopping by allowing customers to select their own merchandise without clerk assistance for the first time?

The retail landscape has transformed dramatically over centuries, with several key innovations reshaping how people shop. From the emergence of department stores in the 19th century to today's omnichannel experiences, retail history offers fascinating insights into consumer behavior, technological adoption, and business model evolution. Test your knowledge about a pivotal moment that forever changed retail history and set the foundation for modern shopping experiences.

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Piggly Wiggly's self-service grocery store model
Macy's introduction of the department store price tag
Sears Roebuck's mail-order catalog distribution
F.W. Woolworth's five-and-dime store concept