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Purpose once defined all communication — signals crept along the wires, moving through the miles. Messages were received in a series of dots and dashes: volleyed back and forth to ensure the success of conversations. A one-to-one dynamic dominated the 19th century, and the public celebrated its practicality. The telegraph was declared a revolution. There was no need to improve it.
Reginald Aubrey Fessenden, however, disagreed.
Fessenden — a Canadian inventor who mentored under Thomas Edison in 1886 — was unimpressed with the limitations of the telegraph. Its intentions were for singular communications, unable to reach the masses. And Fessenden thought this a waste. He wished instead to develop a more comprehensive form of conversing and his efforts eventually created the one-to-many philosophy.
As its name implies, the one-to-many form of broadcasting enables multiple receivers to earn the same message — without having to send that message again and again. The effect is instead simultaneous, allowing information to be wired to different sources without the expected delays.
Derision greeted this idea originally: supporters of the then-ingenious telegraph assumed it was without point. Filtering communications to more than one receptor seemed absurd. Fessenden was convinced of its potential, however, and his efforts yielded the evolution of spark-gap transmitters, coherers and the world’s first audio radio transmission (sending forecast information across the United States in 1900 with the aid of the National Weather Bureau, a feat that was once impossible).
The one-to-many notion then enthralled the country, signaling the end of the telegraph and the beginnings of modern broadcasting.





