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Pidgeons used to send messages across land.this was one of the weirdist ways to communicate.the Pidgeons were train to go to certain place after being released from the sender.
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a array of signals using flag arrangments to make letters.
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Developed in the 1830s and 1840s by Samuel Morse .It works by sending electric signals thrugh wires set up on posts.
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first successful phone call by Alexander Graham Bell
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Started as a miltary project arpnet became the base of the internet.
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Wikepedia was invented by Ward cunningham.
