Twenty years ago a young man called Tim Berners-Lee had an idea. He called it the World Wide Web. Today it's hard for us to imagine a world without the web; without Wikipedia; without social media; without music downloads; without video on demand... The change wrought by the web has been exponential, explosive and so profound that it renders imagining the world in another 20 years time almost impossible.
Did the father of the web ever imagine it would become the world-changing technology it is today? Is he surprised, delighted or even disappointed by his creation? What are his hopes for the future of the web?
10 July 2009 Sir Tim Berners-Lee joins the BBC to reflect upon 20 incredible years and launch a major new BBC project.
Be here. Be involved.