Since the mobile phone was born in 1987, that technology has continued developing. This makes our life more and more comfortable and makes business society more profitable. Mobile phone has influenced our lifestyle greatly. It gives us many merits. On the other hand, it also gives us not only good things.

The mobile phone has developed rapidly. In past days, there were car-phones and pocket beepers, these were precursors of mobile phones. These were still heavy, and you can only talk or easily mail. Now, mobiles have advanced by adding many functions. Many applications, water proofing, the others appeared. Above all, introducing internet was a great innovation. People can use internet everywhere even if there isn't a computer. After internet access on the mobile began, almost all mobile users started using internet. Recently, smart phones appeared, this is new stage of mobile phones. They are much different from existing mobile phones. They can be more useful by installing new application. The mobile market tends to shift to smart phone. Mobile phones are not just a phone, they have become one of technological digital devices.

Today, the mobile is a fixture in our lives. Mobiles support our life deeply in both private and business circles. In private circles, we use mobiles in various situations, talking with people at another place, searching information on the internet whenever you want. You can also play games, listen to music, and read a book. In business circles, mobiles support working people. It allows them to contact and make appointments with other person, to keep up their schedule, and to check a map in order not to miss the way to their destination.

Mobile phones look very convenient and completely good; however, there are also some bad points. First, mobiles are linked to the internet. It means that many mobile users can be victims of a dangerous cybercrime. The number of crimes like a click fraud and its victims has risen. Next, many people have become mobile phone dependent in recent years. This gives people various bad effects. It is said that using too much e-mail decreases a person's IQ. Because people use the convert feature many times to write sentences, people canft write Chinese characters. Mobile phone dependency also decreases efficiency at work. Returning e-mail each time eats one's time and knocks off your work. These are just a few examples of the bad effects.

Thus, mobile phone's development has given us a lot of convenience and comforts in our life. However, there are a similar number of problem points. To apply useful functions, people must be careful not to get hooked on usefulness itself. Mobile phones will make our life more comfortable, but I worry about how it affects people and society in the near future.