Mobile Phone
Mobile Phone is a great invention of the modern world. It is a cordless or moveable object. It is an important medium of communication which helps to communicate with the people of the world within the shortest possible time. The user can carry it easily with him/her because it small in size. Moreover, its cost price is very cheap. So the people of lower class can use mobile though the use of mobile phone was a historical matter in the past. The use of mobile phone is more convenient than T&T telephone call. The service of mobile phone has spread the trade and commerce widely. So mobile phone is greatly used by the businessmen. It is useful for all classes of service holders, businessmen, Politian’s, students etc. There are a few mobile service companies in Bangladesh which are Grameen phone, Banglalink, Citycell, Robi, Teletalk, Airtel etc. The use of mobile phone is harmful for health. Sometimes, the terrorists and criminals use mobile phone to maintain their secrecy. In spite of this demerit, there is so better alternative to mobile phone. A mobile phone works where the services on networks systems are available of the respective mobile company.
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