Since the prehistoric times, human have been trying newer methods of communicating with each other. Be it through cavemen drawing or through the simple communicative sounds and gestures, human being's need to communicate as well as store knowledge and data has brought him to a time when data not just sustains his life, but it is this need for communication that brings him closer to society.
Without communication no business can work effectively which is why the most important use of communication in present times is in the area of commerce. And to forward one's business, all types of communicative implements have been used and newer one's are being invented each day.
