Mobile phone

Mobile phone is one of the wonders of modern science.we can use it every where.it works without any wire.All classes of people use it.through mobile phone we can send messages,play games,know about time.nowdays we can also use internet in it.using internet the world is closer to us.now we can know about the current news of whole world using internet in smart phone.now the whole world seems to be a global village through it.but it has some drawbacks.scientists say that if we over use it mobile phone can cause cancer to the users.besids may people use it too much so that there valuable time is waste.so mobile phone should use according to necessary.