Edward Snowden's documents have revealed the chilling scale of internet surveillance. The plan, in the words of the UK’s Government Communications Headquarters (GCHQ) and the US National Security Agency (NSA), is to 'Master the Internet'. All of these are genuine disclosures, apart from one April Fool. Can you guess which one it is? Big Brother Watch is part of the Dont Spy on Us coalition, which is campaigning to reform the UK's surveillance laws.