“Privacy Warnings” of one type or another have been making the rounds on Facebook ever since the site first came into existence.
While most of those warnings range from completely worthless to downright malicious, a few of them actually have some merit.
Privacy is indeed a serious concern on Facebook, but many folks understandably attempt to attack the problem from the wrong angle.

Question from Brenda:
Question from Lawrence:
It’s no secret that Facebook gathers all manner of data and info about their users, but most folks have no idea just how much data Facebook has about them, and how broad it is.