The internet is a global system of interconnected computer networks that use the standardized internet Protocol Suitte (TCP/IP) to serve billons of users worldwide. It is a network of networks that consists of millions of private and public, academic, business, and governmet networks of local to global scope that are linked by copper wires, fiber-optic cables, wireless connections, and other technologies. The internet carries a vast array of information resources and services, most notably the inter-linked hypertext documents of the World Wide Web and infrastructure to support electronic mail.
In addition it supports popular services such as online chat, file transfer and file sharing, gaming, commerce, social networking etc. Voice over Internet Protocol (VoIP) applications allow person to person communication via voice and video.
