Cell PhoneS

Did you know the idea of cell phones is many years old? It started in the 1920's. People used radios and thought about how they could make them better. They thought about it for a long time. They made radios better so people could use them to talk to each other. The police used them.

Then, inventors made phones that people could use in their cars. Only some people used these. They could be hard to use.

People in different parts of the world worked on making cell phones. They were finally invented around 1970. They still needed work. People began to sell cell phones in the U.S. in 1983.

At first, cell phone calls were hard to make. Only a few people in one place could talk at the same time. They were big and heavy. Many times the calls would end, and the call was lost.

Today cell phones are very light. They can take pictures and videos. People can use the Internet. Kids can play games. Cell phones can do other things, too. They are fast. Cell phones are little. They can be green, red, or blue. They can be any color you want.