Which retail innovation, introduced in 1916, revolutionized shopping by allowing customers to select their own merchandise rather than relying on clerk service?

In the history of retail, certain innovations fundamentally transformed how people shop and how businesses operate. These breakthrough retail concepts not only revolutionized their era but continue to influence modern retail strategies. Test your knowledge of these historic retail milestones that shaped the industry as we know it today. Can you identify which pioneering retail innovation truly changed the shopping landscape in the early 20th century?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Piggly Wiggly's self-service grocery store model
Macy's introduction of the department store escalator
Sears Roebuck's first brick-and-mortar expansion from catalogs
A&P's introduction of private label store brands