Crandall, Jedidiah R., Masashi Crete-Nishihata, Jeffrey Knockel, Sarah McKune, Adam Senft, Diana Tseng, and Greg Wiseman. 2013. “Chat Program Censorship and Surveillance in China: Tracking TOM-Skype and Sina UC”. First Monday 18 (7). https://doi.org/10.5210/fm.v18i7.4628.