Which communication product, first demonstrated publicly in 1844 with the message 'What hath God wrought?', represented one of history's most transformative product launches?

The 19th century saw numerous inventions that revolutionized how people communicated across distances. One particular product launch fundamentally transformed business, personal relationships, and eventually led to technologies we use every day. Test your knowledge about this pivotal moment in product history that connected the world in unprecedented ways.

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Bell's telephone
Morse's telegraph
Edison's phonograph
Marconi's wireless radio