In today's world, almost everyone has a mobile phone. Nowadays, adults, teenagers and even children carry their phones around wherever they go. Most people can't live without their phones, because they help people to do lots of things in their lives. People can easily stay in touch with friends and family anytime anywhere. Even if you're not a text message lover, you can load some music and flicks that you like, search the web, or read documents on your phone. All in all, it is hard for us to envision what the world would be like without mobile phones.