Which famous inventor established the modern product launch format by showcasing his invention with dramatic flair at the 1879 Menlo Park demonstration that lasted for 24 hours?

Throughout history, certain product launches have fundamentally changed industries and consumer behavior. These watershed moments often featured revolutionary presentation techniques, unprecedented marketing campaigns, or innovative release strategies that became case studies in business schools worldwide. Test your knowledge about these pivotal moments in product launch history that transformed not just their industries but how we live.

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Thomas Edison with the first practical incandescent light bulb
Alexander Graham Bell with the telephone
Nikola Tesla with alternating current
George Eastman with the Kodak camera