China: Researchers Uncover Microblog Filtering Mechanisms

In a recent paper entitled "The Velocity of Censorship: High-Fidelity Detection of Microblog Post Deletions," a group of computer scientists describes their study of censorship practices on Sina Weibo, China's most popular microblogging service. Sina Weibo employs a large number of site moderators to monitor and, when necessary, stop the flow of dissenting ideas on the social media platform.