Communication plays important role in different spheres of human life. Without communication, human life is crippled. Loneliness, aloofness, helplessness etc. are some of the possible consequences of lack of communication. In business, lack of communication might result in loss of business, conflicts, loss of clientele etc. Thus, communication is very important in human life. Telephone has totally revolutionized the way in which people communicate with each other. Advent of mobile phones and Internet has totally changed the personal, social and business life. The book will be useful to those...