At 3 p.m. Eastern Thursday, Edward Snowden will take your questions in a livechat run by the Courage Foundation. Questions are being sourced from Twitter, on the hashtag #AskSnowden. With about an hour to go, the hashtag has been picking up. Here are some of the best questions we've seen so far.
#AskSnowden It’s been reported that you set up a “dead man’s switch” for a series of files. Can you confirm that?