(CNN) - NSA leaker Edward Snowden will be taking questions from the public in a live chat Thursday.
It's his second Q-and-A session with the public.
He took part in one hosted by The Guardian newspaper in June.
Some people criticized that session as a public relations exercise where nothing of real value was revealed.
Questions for Thursday's chat are being submitted on a twitter hashtag.
Snowden may respond to President Obama's speech on NSA collection reforms, given on Friday.
Snowden is living in Russia, which has granted him one year of asylum.
Thursday's chat starts at 3 p.m. EST.
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