Facebook knows more about you than you want when you take its quizzes

What Facebook Quizzes Know About You?  - With each question . . .Quiz, you're not only told what information a quiz author can see ...- you're shown. For example, after answering the first question, you learn that almost everything on your profile, even if you use privacy setting to limit access, is available to the quiz. Then, a graphic is shown which reveals select information retrieved from your profile including hometown, groups you belong to, events attended, favorite books, and more.