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Alexander Graham Bell worked on the improvement of the telegraph, which later became the telephone. When he started to make this gadget, we would not have survived without it.
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In 1876, Alexander Graham Bell made the first call. Bell's name is Watson. Both were in separate rooms, and they exchanged some unclear words, but this was the end of the telegram.
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The candlestick phone is divided into two parts: one is speaking, the other is listening. A company called Western Electric is the main distributor.
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Rotary phones became very popular in 1960 because it had the same functions as calling people, speaking and listening.
Three years later, the Push-Botton phone was launched, which made it easier to mark numbers. -
In 1984, Motorola DynaTAC 8000X was launched, which was the first phone that people could buy in a store. This gadget is the first CELL phone and the price is US$3,995.
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In the past ten years, the telephone has developed very rapidly. Today, people can buy a simple smartphone for less than $50, or a complex smartphone for $1,000.
