Which invention, first implemented in 1916, revolutionized retail by allowing customers to select their own merchandise without clerk assistance?

The retail customer journey has evolved dramatically over the past century. One of the most significant innovations forever changed how consumers interact with products in stores, eliminating the need for clerk assistance for every purchase. This revolutionary concept, now standard worldwide, was once considered a radical and risky business model. Test your knowledge about this pivotal moment in retail history that fundamentally transformed the customer shopping experience.

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

Piggly Wiggly's self-service store concept
Sears Roebuck's mail-order catalog system
F.W. Woolworth's five-and-dime store model
A&P's supermarket chain approach