Mobile phones, mobile devices, mobile lifestyle. Fifteen years ago, we hadn't even heard about mobile (or cell). At the time of our first mobile devices have the mobile phone was a great luxury. While not everyone can afford such expensive thing. Cost of calls in those days was incredibly high, about five United States dollars were paid per minute (incoming and outgoing calls, with minute tariffing. Fortunately, times have changed, and mobile communications changes of any kind. Now it is safe to say that it is difficult to find a person who does not enjoy mobile communication. Now almost everyone has their own (not official) mobile number, and many more than one. Some rooms even exceeds the number of available mobile operators. Now mobile phone is not a luxury (for lovers of luxury and expensive models, functionally little different from ordinary phones) and normal domestic appliance, such as a refrigerator or a television. Chances are you don't get off the street, not on my phone, he is always with you, and if you lost your home, then you feel discomfort, suddenly is an important call, and you are not able to answer. We have already accustomed to all the relatives and acquaintances should be in touch with us. If the Subscriber is not coverage, we start to worry. Collecting the child to school, we give it a mobile: we want to be sure that always can contact him. If you think about it, then it is safe to say: nearly all aspects of our lives are dependent on mobile phones, smartphones, we cannot without them, feel comfortable, they have become part of our world. Our Mobile World.