Futuríveis

Recent attempts in the US to try to charge for different levels of online access web were not "part of the internet model," he said in Edinburgh.

He warned that if the US decided to go ahead with a two-tier internet, the network would enter "a dark period".

Sir Tim was speaking at the start of a conference on the future of the web.

"What's very important from my point of view is that there is one web," he said.

"Anyone that tries to chop it into two will find that their piece looks very boring."

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