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es, music and an electronic calendar that will remind you about appointments and important dates. Cellphones have changed our behaviour and how we municate. They are being used everywheresometimes where they shouldn’t. One headmaster says that phones are not allowed in the classroom. “If a phone starts ringing in the classroom, teachers and students are disturbed and cannot work.” The students obey the rules and agree not to use their phones in the classroom. “I don’t dare to use the phone in school, because they will take it away from me,” says John Hill, a student in London. John got his phone for his birthday, but his parents don’t let him use it in school. Some parents worry that their children will spend too much time and money on phone calls. Why are cellphones so popular, especially among teenagers? The answer seems to be that we have a need to stay in touch with friends and family no matter where we are or what we are doing. Having a cellphone also ma