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

Test your knowledge about a pivotal moment in retail history that transformed how we shop! The development of modern retail formats revolutionized commerce and consumer culture, setting the foundation for today's shopping experiences. This innovation fundamentally changed merchant-customer relationships and created entirely new business models that persist to this day. Can you identify when this retail revolution began?

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

Self-service grocery stores (Piggly Wiggly)
Department stores with multiple product categories
Mail-order catalogs with home delivery
Membership-based wholesale clubs