At present mobile phones have become ingrained in our everyday lives and the majority of people can hardly imagine themselves without cell phones. Is it just a tribute to fashion or a necessity of a modern person? It isn’t a secret that today many people feel quite helpless if they have left their mobile phones at home. First of all cell phones give us an opportunity to keep in touch with people in any place and in any time (it’s especially important for businesspeople). Besides, modern mobile phones are multi-function: they provide access to the Internet, have various games, cameras, memory sticks, etc.