[T]he Communist Party has turned against them in the most zealous crackdown on the Internet in years.
Worried about its hold on public opinion, the Chinese government has pursued a propaganda and police offensive against what it calls malicious rumor-mongering online. Police forces across the country have announced the detentions of hundreds of microblog users since last month on charges of concocting and spreading false claims, often politically damaging. For weeks, a torrent of commentaries in the state-run news media have warned popular opinion makers on China’s biggest microblog site, Sina’s Weibo service, to watch their words.