When someone plays Zynga’s Words with Friends on Facebook they obviously expect to share that experience with whichever Facebook contact they play against. However, by authorizing Words with Friends–or other Facebook apps–users might be sharing much more than they’re aware of.

Facebook is a social network. By definition, the point of being on Facebook at all is to share with others. However, people like to choose which information to share, and who to share it with–they’re funny that way. Apps that collect or share information without the explicit consent of the user are shady, and infringe on the privacy users expect.