The importance of the mobile phone for a modern man is huge. It has contributed a lot to the process of making the whole world a global village. With the usage of mobile phones, the geographical barrier has been removed to a great extent. We can now talk to others from every corner of the globe. We can also send messages in the form of text, photos, or voice. People now use the internet through this device. Therefore, they do not need to use computers for e-mail anymore. By the usage of the internet, we can easily update ourselves. Usage of GPS systems has added another dimension. We also use mobile phones for entertainment too. We play games, listen to music and watch movies. As it is easy to carry, we carry it wherever we go. We take photos or videos in order to capture any important moment. We use it for other practical purposes such as calculation etc. Therefore, we enjoy manifold benefits from the usage of this technology. However, everything has both positive and negative sides. It has also its drawbacks. Youngsters are indulged in listening to songs, sending rough and vulgar messages, and watching pornographic movies. These youngsters and many other people spend their valuable time talking on their mobile phones for a long period of time. According to scientists, excessive use of mobile phones can cause brain cancer, and hamper the mental development of children. Besides, anti-social activists such as thieves, robbers, hijackers, etc. often commit crimes by communicating among themselves through mobile phones. From the above discussion, we can say that by the proper usages of mobile phone we can augment our life. But, if we misuse it, we can kill ourselves.