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One of the earliest methods of communicating across great distances was the use of the postal service and letters. -
The pneumatic post created another way to get letters quickly delivered to their destinations. -
The radio let one person get a message out to many people at once, it was a new form of communication, unlike anything seen before -
The invention of the telegraph was huge, as it allowed messages to be communicated between long distances faster then ever done before. -
This was huge as it now let people communicate longer distance using their voices, breaking the barrier of distance.