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This began after WWII.
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Was a rarity. There were only 5,000 customers, who made about 30,000 calls each week. Calls were set up manually by an operator. (Date is not exact- it was in 1949 however.)
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Cooper, a Motorala researcher and executive, made a call to Dr. Joel S. Engel. Phone was the size of a shoe box.
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First automatic analog cellular system. Consumer demand was strong.
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Used digital instead of analog transmission to make the system work faster. Text messaging was created with the 2G.
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It could send and recieve emails. However it did not have speakers or a microphone.
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Featured a touch screen and could do everything a computer could do.
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Changes from the 3G- eliminated circuit switching (used all-IP network).
