using cell phones too much will probably be harmful for human's health as it can increase the risk of brain cancer. In addition, children are spending a lot of their free time on using mobiles with the purpose of chatting or playing games. This is time consuming and affect negatively on their studies. Lacking of face-to-face communication is also the result of using mobiles. Instead of going out or dating, many people prefer to stay at home and use their cell phones to connect to others.