Which retail innovation, introduced in 1916, fundamentally changed how customers shopped by allowing them to select products themselves rather than requesting items from clerks?

Test your knowledge about the evolution of retail history! The way we shop today has been shaped by revolutionary concepts and innovative minds throughout the centuries. This poll explores a pivotal moment in retail history that forever changed how customers interact with products. Do you know which retail innovation transformed the shopping experience in the early 20th century?

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

Self-service grocery stores (Piggly Wiggly)
Department store charge cards (Filene's)
Shopping carts (Sylvan Goldman's invention)
Barcode scanning systems (IBM)