Which invention, first commercially successful in 1941, revolutionized product advertising by allowing companies to visually demonstrate their products to millions simultaneously?

The world of product marketing underwent a revolutionary transformation when certain technologies enabled new ways to reach consumers. This trivia explores a pivotal moment in advertising history that changed how products were marketed forever, creating an entirely new industry and approach to consumer engagement. Test your knowledge about this groundbreaking invention that shaped modern product promotion!

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Television advertising (first official paid TV commercial was for Bulova watches)
Billboard rotating displays (the Trinitron system)
Radio jingle technology (the Sonovox system)
Department store mannequins with automated movement