HyperText Transfer Protocol, or HTTP, is the underlying and primary communications protocol used by the World Wide Web (WWW); other Internet protocols include File Transfer Protocol (FTP), Gopher, and Telnet. HTTP was first implemented in 1990 by Tim Berners-Lee, who, with Robert Cailliau, invented the World Wide Web while working at CERN, the European Center for High-Energy Physics in Geneva, Switzerland. HTTP is the protocol used in the transfer of HyperText Markup Language(HTML) files and stands at the very core of the World Wide Web. HTTP and HTML are closely linked; one defines connectivity, the other defines interface. HTTP is the transport or transfer protocol offering the base method by which all clients (meaning your Web browser program installed on your computer) and servers (the Web server hosting a Web site displayed in your browser) communicate with each other. HTML, on the...