Kinesiska översvämningar

We initiate a systematic study to help distinguish a special group of online users, called hidden paid posters, or termed \"Internet water army\" in China, from the legitimate ones. On the Internet, the paid posters represent a new type of online job opportunity. They get paid for posting comments and new threads or articles on different online communities and websites for some hidden purposes, e.g., to influence the opinion of other people towards certain social events or business markets.