Martin Cooper develops the first practical cellular phone for Motorola. It was the size of a brick and weighed 2.5 pounds. By 2014, there were nearly 7 billion mobile phone subscriptions, most in developing countries.
World Population : 170,060,000
Key: 1,000,000 People 1,000,000 People (Annotated) Milestone
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Martin Cooper develops the first practical cellular phone for Motorola. It was the size of a brick and weighed 2.5 pounds. By 2014, there were nearly 7 billion mobile phone subscriptions, most in developing countries.
Martin Cooper develops the first practical cellular phone for Motorola. It was the size of a brick and weighed 2.5 pounds. By 2014, there were nearly 7 billion mobile phone subscriptions, most in developing countries.