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Saturday, August 6, 2011

World Wide Web turns 20 on 6th Aug 2011


This day, exactly 20 years ago, the World Wide Web was born, marking a significant day in the progress of the Internet. On 6 August 1991, Tim Berners-Lee, published the first Web page, making the WorldWideWeb available publicly.
It all began at CERN, the European Organisation for Nuclear Research, in the 1980s, where physicist Tim Berners-Lee followed up a proposal for information management. He showed how information could be transferred easily over the Internet by using hypertext - the point-and-click system of navigating through information.
With support from Robert Cailliau, a systems engineer, Berners-Lee succeeded in converting a NeXT computer as the first web server, hypermedia browser and web editor.

Tim Berners-Lee


Tim Berners-Lee


Robert Cailliau
Robert Cailliau


Happy 20th birthday to the World Wide Web! Or, at least, the first webpage launched on said World Wide Web. Not the Internet. The Web.
It seems as if Tim Berners-Lee's work has been confusing everyone from tech-savvy individuals to net neophytes for just as long a time. So let's get to the bottom of what we're celebrating so we don't look silly when we put the wrong name on the birthday card, OK?
Here's the deal: The Internet is neither 20, nor is it actually synonymous with what's being celebrated today. That's the World Wide Web. The first use of the word Internet came some fifteen years and change prior to the launch of the first actual Web page, and it was coined in December of 1974 as a way to describe a global system of computers connected via the TCP protocol.
The Internet is the technological underpinning that makes the World Wide Web possible. It's the system of local area networks, regional networks, and other separate networks that are all interwoven such that computer A can connect up to computer B (or smartphone C) to facilitate an exchange of information.
The Web, in contrast, is analogous to a handshake – just one method a person can use to interact with another person in some capacity. Berners-Lee didn't connect up all the computers in the world in 1991. Rather, he developed three different technologies that made it possible for users to better find and share information among these connected systems.
The first technology, uniform resource locators (URLs) can be thought of as mailing addresses for information –the location of a file within the World Wide Web that's dynamically mapped to the file's actual location on a system within the Internet itself.
The second, HyperText Markup Language (HTML), is the fuel a Web browser needs in order to display the text, graphics, and hyperlinking system that powers the very Web itself. It runs hand-in-hand with the third technology, the Hypertext Transfer Protocol (HTTP), or the backbone rules that allow for requests and file transmissions to occur between Web browsers and Web servers.

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