Wherever you are, you can see many people equipped es smaller nofortably, your phone rings. Then you have to go back to your office only to find an unimportant customer waiting for you. At that moment, you may even want to throw your phone away, for you just want to relax and get rid of your work.
However, whether you like the mobile phone or not, it has alresdy affected our lives and played an important role in the history of human beings.