“Human-flesh search engines — renrou sousuo yinqing — have become a Chinese phenomenon: they are a form of online vigilante justice in which Internet users hunt down and punish people who have attracted their wrath. The goal is to get the targets of a search fired from their jobs, shamed in front of their neighbors, run out of town. It’s crowd-sourced detective work, pursued online — with offline results. ”
Read the article here – http://www.nytimes.com/2010/03/07/magazine/07Human-t.html?_r=1&pagewanted=all
I think Anonymous has nothing on these guys!