Behavior using mobile Wrong time of adolescence, which is actually in some institution or in some classes. The regulations that give off a mobile phone while teaching. Do not carry the phone in the classroom, or even do it. But due to the slackening of the rules, combined with the indifference of students who are perceived as mobile as the individual asset. Can carry it anywhere with it. But think it's going to carry around. Not to be used at any time.