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

The 20th century saw remarkable transformations in retail that shaped how we shop today. From humble beginnings to global empires, certain retail innovations changed commerce forever. This trivia question explores a pivotal moment in retail history that revolutionized the shopping experience and created a model that would be replicated worldwide. Test your knowledge of retail history and the visionaries who transformed shopping from a necessity into an experience.

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

Piggly Wiggly's self-service grocery store model
Sears Roebuck's mail-order catalog system
Marshall Field's department store with fixed pricing
F.W. Woolworth's five-and-dime store concept