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The Detroit Police Department began using mobile radios in their police cars. They used them to talk between cars, but it didn't work very well.
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The government used most radio frequencies for itself, but the air waves were still clogged up. The FCC was created to decide who got to use which channels.
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Government agencies and rich people had mobile radios to talk to others on the go.
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The first service created for mobile phones opened up in St. Louis, but the service didn't work well and it didn't last.
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A car phone service was opened between Boston and New York, but this too was a failure.
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The second attempt at car phones was a success. However the equipment was large and heavy, but it worked, and that was an improvement over the past attempt.
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AT & T proposed splitting phone service into different areas across the cities. These areas were called "cells".
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Dr. Martin Cooper invented a portable hand-held phone that didn't need to be powered through a car. This meant he was the first person to make a mobile phone call.
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It took ten years for the technology that Dr. Cooper invented to become available to the public. The first public cell phones were produced by Motorola.
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Motorola came out with a new design where the mouth piece flipped over the top of the keypad. It was the first flip phone.
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Developers in Europe thought of a way to send written messages over the phone. It was called texting.
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The smart phone could send and receive emails and messages, but it didn't have a speaker or microphone. This meant it needed a headset to work.
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A company called Sanyo made a phone that could snap pictures. Later the user could download the pictures to a computer to be printed.
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A law was passed that said cell phone companies had to allow customers to return old cell phones to be recycled. This was because cell phones can contain materials that are harmful if left in a landfill.
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The IPhone went on sale at 6:00 PM. Every full time person that worked for apple got a free IPhone
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The second IPhone was released on this date. This new IPhone had a glossy back cover.
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The 3rd Iphone to be released
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Many people were hoping this IPhone was going to have a bigger screen.
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From the outside the IPhone 4S is looks the same, but on the inside it is much better. Apple said that the 4S can be up to two times faster than the IPhone 4.
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IPhone 5 was the first IPhone with a bigger screen.
