Writer and comedian Stephen Fry discusses the dangers of mass surveillance, calling for a campaign to urge governments around the world to curtail their monitoring of private data. Fry also spoke at a day of action in Shoreditch, east London, on Friday - billed as the biggest privacy event of 2014, with more than 500 people attending. Other speakers included Wikipedia founder Jimmy Wales and Alan Rusbridger, the Guardian editor-in-chief