Facebook would not officially comment, but in general seems willing to allow behaviors that fall within its terms of use for users sharing information about themselves.

FORBES: The Facebook Connection to Trading Stock

But Tom Rafferty of the Economist Intelligence Unit told the BBC the issue was unlikely to be just "a passing glitch", and said that such practices could pose technical and political challenges to Tencent because international users were accustomed to sharing information freely.

BBC: Tencent

Once that is done, users are often very open sharing their information.

FORBES: NextDoor Brings Private Social Networks To Local Neighborhoods