The most important communication for me is the phone. On the phone you can talk with friends, listen to music, play games. Telephones are fast file exchangers. Many applications that are used on computers are tied to the phone. Mobile communication can allow you to dial up to any point of the world after spending a minimum of time. The advantage of mobile phones is that they combine the work of many other devices and it is very compact. But there are also disadvantages. Phones can spoil your health, for example, sight, hearing, and dependence may appear. Phones are an indispensable thing in human life