From the New York Times:
Inside Facebook, the work to enter China runs far deeper.
The social network has quietly developed software to suppress posts from appearing in people’s news feeds in specific geographic areas, according to three current and former Facebook employees, who asked for anonymity because the tool is confidential. The feature was created to help Facebook get into China, a market where the social network has been blocked, these people said. Mr. Zuckerberg has supported and defended the effort, the people added.
It’s becoming clearer all the time that Zuckerberg is an asshole desperately trying to be perceived as a non-asshole.