Facebook founder Mark Zuckerberg and Google boss Eric Schmidt have warned governments worldwide not to over-regulate the internet.
Mr Zuckerberg said governments cannot cherry pick which aspects of the web to control and which not to.
The two are leading a group of internet pioneers to the G8 summit in France.
The delegation will deliver recommendations thrashed out at the first e-G8 gathering in Paris this week.
Although e-G8 had the blessing of President Sarkozy, world leaders are under no obligation to listen to its findings.
The comments by Mr Zuckerberg and Mr Schmidt reflect growing concerns in the industry about government censorship.
"People tell me on the one hand 'It's great you played such a big role in the Arab spring
, but it's also kind of scary because you enable all this sharing and collect information on people'," said Facebook's founder.
http://www.bbc.co.uk/news/technology-13553943