Answer: Cell Phone is a great invention of modern science. It is called so because a user can carry it wherever he goes out. It has made the interpersonal communication very easy and fast. One can communicate with the expected person within a few seconds through a mobile phone. Business communication has become easier because of the use of this device and all steps of life are benefited by it. It is also helpful for the students. They can get suggestion of their studies from their friends and teachers. So the number of consumers of mobile phone is increasing day by day. Today, more than 100 million people in Bangladesh and over 4.6 billion people around the world use cell phones. It spreads so fast that it is now considered one of the greatest inventions of all time. It makes the world smaller and brings all closer. But it is unfortunate that it has some negative aspects too. Criminals also use it for their activities. It causes some health hazard. Scientists believe that it causes brain tumors by its invisible and uncontrolled radio activity. Specially the pregnant women and children should not use it at all. In spite of all these, mobile phone is a blessing for us.
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