Today, an increasing number of people are always looking at their mobile phones with their heads down. These people are  the "Heads -down Tribe". Heads -down tribe members now can be seen everywhere.

    There are more and  traffic accidents because lots of drivers use mobile phones while driving. In order to make drivers pay more to driving, some new traffic rules have been made.

    As we can see above; using mobile phones may  traffic accidents. Also, more and more interesting and strange facts happen to the "Heads - down Tribe". A man in America kept using his mobile phone on  way home. As a  , he knocked into a big lost bear. When he lifted his eyes from the phone, he was so afraid he turned around and ran away as  as possible. Another fact is that we can often see people in the restaurant eating face to face but looking at their own mobile phones. It's strange that they don't talk to the ones who sit opposite to them during the meal. Some of them even have  communicating with others on the phone.

    Mobile phones are helpful and necessary tools for modern life. Whether they are good or not depends  how people use them. Let's be "healthy" users and try to be the "Heads -up Tribe".