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The telephone wasn't that expensive to start with. It was also very simple, basic, and easy to use. -
The telephone exchange improved the quality and efficiency of communication with customers.
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The dial telephone was invented by Almon Brown Strowger. -
The first transatlantic phone call was created by Walter S. Gifford
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Martin Cooper invented the first mobile phone.
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The first phone was 9 inches long. -
Since 2014, over a billion smartphones are sold world wide ever year. -
Smartphones dominate the world because everyone is addicted to them.