We do reach out to a wide range of audience distributed in large geographical area over the world now, with great ease thanks to the developments in the field of information and computer technology. We have to ensure these communication is done in an error free manner all the time. We will not be able to meet them personaly, sometimes, to correct an error happened in communicating to them. It's not additionally bettered with body language. So we have to play well with the language we use.