Currently, we can communicate with people all over the world have more than to arrive today. Communication has evolved several several modern era. It is believed that the remote communication of early humans is probably to hit armor. Knock on wood, then forms a sound transmission and sending smoke signals. Later, when the humans know how to write a book, it has to think of a way to communicate. New VoiceMail too with Pigeon, or send a message to with the speed horses. Later, when it is to generate electricity. It caused a revolution in communications, created by humans, can communicate. Without traveling. No need to hit the drums No need to send smoke signals No need to use a speed horse. No need to use a dove.
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