Communication means sending and receiving messages, information and ideas. With the advancement in technology, different forms of communication have developed over the years. Telegraph and telephone were the foremost inventions in the field of modern communication. Communication through mail was introduced in the early parts of the twentieth century. With the invention of the printing press, communication began to be carried out through books and newspapers. Gradually, radio and television were invented, which came to be used as means of communicating with a large number of people at once, thereby being known as means of mass communication. The most recent developments in communication came via satellites and radars. The introduction of computers has brought a revolution in the field of communication, with emails enabling us to send messages instantly, and the Internet being the biggest source of information on almost every topic and subject. It has also transformed the way business is conducted and how people interact with each other.