How Cell Phones Have Changed Our Lives"
What invention do you use every day? What invention could you not leave your house without? For me, it would be a cell phone. Forty years ago if someone would have said that everyone would have a cell phone, people would think they were crazy. According to a U.N. Telecom Agency report, the world has about six billion cell phones. That's roughly one for eighty-six of one hundred people. There are several reasons why I believe that the invention that I think has had the greatest influence on man's life is cell phones. A cell phone is a mobile communication device that allows one to make or receive calls through a radio link while moving around a wide area. When they were first demonstrated by John F. Mitchell and Dr. Martin Cooper of Motorola, the handset was around the size of a brick, according to Wikipedia. Now, being the size of a palm, they are much easier to hold. From 1990 to 2011, cell phone subscribers grew from 12.4 million to 6 billion, penetrating about eighty-seven percent of the global population and reaching the bottom of the economic scale. One reason that cell phones have had a very big influence on man's life is that they are an easier way for people to communicate with one another than conventional telephones. Even the first cell phones, which were created by Bell Laboratories in 1947 and were used exclusively in police cars, were made for communication. It's an easier way to talk to people far away. People use cell phones to talk to people all over the world. Now, instead of waiting weeks for a letter it arrives in the mail or hours of driving, you can pick up a cell phone wherever you are and talk to someone in a matter of seconds. Cell phones are also more convenient. Nowadays, we have cell phones that can call and text message so it's even easier to talk to someone. When you can't speak but want to talk, you can text. You can also now get an "app" for just about anything. Instead of carrying a book...