Human beings have evolved different methods of communication over time. In earlier times, the messages were delivered by beating the drum or hollow tree trunks, giving indications through smoke or fire or with the help of fast runners. Horses, camels, dogs, birds and other animals were also used to send messages. Initially, the means of communication were also the means of transportation. The invention of the postoffice, telegraph, printing press, telephone, satellite, etc has made communication much faster and easier. Development in the field of science and technology has significantly contributed in bringing about a revolution in the field of communication.

Among all the personal communication systems, what is the most effective and advanced one?

Internet

Among all the personal communication system internet is the most effective and advanced one. It is widely used in urban areas. It enables the user to establish direct contact through e-mail to get access to the world of knowledge and information. It is increasingly used for e-commerce and carrying out money transactions. The internet is like a huge central warehouse of data, with detailed information on various items. The network through the internet and e-mail provides efficient access to information at a comparatively low cost. It enables us with the basic facilities of direct communication.