Worldwide web celebrates 20th birthday

6 August 2011 Last updated at 03:52 ET Help

Twenty years ago today a modest British scientist launched his new invention. At the time, almost no-one noticed, but it has since revolutionised our lives.

Tim Berners-Lee called his invention the "world-wide-web".

Richard Westcott has been taking a look back at the technology that went on to change the world.

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