"why do we use a mobile phone?" напишите пожалуйста эссе

Today, the role of mobile phones in human life is difficult to overestimate. With this compact device at any time we can quickly contact with their relatives and friends, work colleagues, we are interested to find out information. You do not need to strain your memory and remember the phone an old friend, who has long been recruited, notebook mobile phone is always to hand. Many in addition to the contacts stored in the phone still a lot of other information - write down their thoughts and ideas, credit card numbers, anniversaries, various files, etc. That is, substitute for us right notebook and flash-drive. And all sorts of useful programs, functions, options, which are equipped with modern cell phones have made this small-sized unit is so versatile that sometimes you wonder.