How Chinese Wikipedia volunteers fighting censorship, threats, arrest, and violence expose the challenges to the Wikimedia Foundation's free-knowledge mission (Alex Pasternack/Fast Company)

Alex Pasternack / Fast Company:
How Chinese Wikipedia volunteers fighting censorship, threats, arrest, and violence expose the challenges to the Wikimedia Foundation's free-knowledge mission  —  This past July, before he was banned from Wikipedia, Techyan was one of dozens of volunteers preparing to speak at the free-knowledge movement's annual conference, Wikimania.