Oligarchs and government spies know where we are, what we want, and even our innermost thoughts. Who can protect us? Are whistleblowers like Snowden the white knights of the digital age? Or is the pursuit of radical openness itself the real threat we face?
Mary-Ann Sieghart interrogates former GCHQ director David Omand, former Energy Secretary Chris Huhne and Observer columnist John Naughton.
Chris Huhne, John Naughton, David Omand. Mary Ann Sieghart hosts.