It is an era of science and technology. The progress in the field of communication has surprised the world. Today mobile phone is considered a wonderful invention in the world of communication. Only a hundred years ago, the only means of telecommunication was the telegraph, then came the telephone. The latest addition in this field is mobile phone. Mobile phone has become very popular in our lives. It always remains with us like a good friend. It has become a part and parcel of our daily routine life.

Mobile phone was first introduced in early 1980. It was expensive and hence, beyond the reach of masses )وام(. In the beginning, the short range mobile phones were used but later on they were developed into large range mobile phones. Now-a-days, the communication through mobile phone is done by satellite )تابع سیاره(

There are two sides of every picture and mobile phones have a lot of advantages with disadvantages. They are the quickest source of communications. We can exchange )تبادلہ کرنا our views with one another as long as we need and want. They have made life and business easier and faster for the people round the world. They have increased and expanded )سیکر our volume of trade and tradition. They have made the business safer, quicker and cheaper. The money exchangers do their business on mobile phones.

Mobile phones can protect us from the criminals and the terrorists. In danger we can easily contact the Police for help. Many parents provide mobile phones to their children to know about the children's whereabouts. This gives them nothing but a sense of security and satisfaction.

On the other hand, mobile phone has become a status symbol. If you have no mobile phone you are considered a person without community links. The students at school and college level cannot do away without them. It has become their mania )جون( and phobia. If they have no mobile they consider themselves low and mean. They develop among themselves a sense of inferiority complex. No doubt, mobile phones are serving the humanity a lot. But at the same time we cannot avoid its harms. If it gives in a sense of security, it also provides information to the criminals. Such people search their prey through this instrument. They have no difficulty in contacting their partners, any time. Even prisoners can escape from 

the prison with the help of this device. It is the worst enemy of students. Students troughout the day listen to music on it and talk to their friends wasting their precious )میت( time. They also use it in the examination for unfair means.

It has affected our health as well. A mobile in the front pocket of the shirt affects our heartbeat. It also affects our memory )إداشت( and money, when we use it just for fun. It also causes restlessness and sleeplessness to many of its users. Besides these demerits, this technology has revolutionized )انقلاب برپا کرنا( our lives.