manners of cellphone

mobile users are needed to behave acceptably. in other words,especially in the public places,we have to care about other people. for example,we should not talk by cellphone in the train.i think that almost all people agree with my opinion. everyone hates annoying behavior,right? so we should care not to do so. people's opinions on this matter are regardless of age. surely,young people have a tendency to behave and bother others. but other young people want them to stop it. when you are in the public,you must use mobiles very carefully.