Anonymous. We may not know who they are, but we know what they've done. They've targeted the Church of Scientology, kept the internet on during the Arab Spring, and boosted the sales of Guy Fawkes masks. Their anonymity and ubiquity as their power, so that's why Commander X is such a controversial figure. Director Gary Lang joins On Docs to talk about "The Face of Anonymous," which follows Commander X who was once part of a notorious hacktivist group. See omnystudio.com/listener for privacy information.