There's an awful lot of cases of people being "disappeared" based on what they've said in WeChat group messages or friend feeds. Similarly, the PSBs in some ci

There's an awful lot of cases of people being "disappeared" based on what they've said in WeChat group messages or friend feeds. Similarly, the PSBs in some cities have used social media contacts as a means of working out which foreign English teachers to do impromptu drug testing on.