Final answer:
The early telegraph by Samuel Morse revolutionized communication with the Morse Code and paved the way for modern technologies.
Explanation:
The early telegraph, invented by Samuel Morse in 1830, revolutionized communication by allowing almost instant transmission of messages over long distances.
Morse's invention of the Morse Code, a system based on long and short electrical signals, enabled the rapid dissemination of information, surpassing the speed of traditional methods like messengers on horseback.
The telegraph's impact extended beyond its time, paving the way for modern technologies such as the telephone, radio, television, and the internet.
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