Which retail innovation, first widely implemented in the 1910s and 1920s, allowed customers to select their own merchandise without clerk assistance and is credited with revolutionizing the shopping experience?

Long before e-commerce and digital marketing, certain retail innovations fundamentally transformed how people shopped. This poll explores a pivotal moment in retail history that shifted the entire shopping paradigm and set the foundation for modern retail experiences. Test your knowledge about this revolutionary change that we now take for granted but was once considered radical and disruptive.

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Self-service shopping (allowing customers to browse and select items themselves)
Department store credit cards (enabling customers to make purchases on credit)
Cash register with printed receipts (providing customers with purchase records)
Shopping catalogs with mail-order capability (bringing retail to rural America)