Fossil fuel companies have been funding smear campaigns that raise doubts about climate change, writes John Sauven in the latest issue of Index on Censorship magazine.
(AP)—One teenager made offensive comments about a murdered child on Twitter. Another young man wrote on Facebook that British soldiers should "go to hell." A third posted a picture of a burning paper poppy, symbol of remembrance ...
For many they are the scourge of the Internet, but rights campaigners in Britain are increasingly leaping to the defence of online "trolls" amid a string of criminal trials over tweets and Facebook posts.
In the new issue of Index on Censorship, 'Brave New Words', leading internet experts Ron Deibert and Rafal Rohozinski call for a new approach to tackling censorship online.