Which famous invention was first demonstrated at the World's Fair in 1876, where Emperor Dom Pedro II of Brazil reportedly exclaimed "My God, it talks!" upon experiencing it?

Test your knowledge about some of history's most significant product launches that changed industries and consumer behaviors. Behind every groundbreaking invention lies a fascinating story of development, marketing strategy, and sometimes unexpected public reception. This trivia focuses on the initial debuts of products that eventually became household names or revolutionary technologies.

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• The Telephone by Alexander Graham Bell
• The Phonograph by Thomas Edison
• The Light Bulb by Thomas Edison
• The Telegraph by Samuel Morse

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