Great article at ReadWriteWeb, "What Facebook Quizzes Know About You":
"[M]illions of Facebook users taking quizzes are revealing far more personal information to application developers than they are aware of. . . . whether or not your profile is set to 'private.' Even worse, the ACLU reports that even if you shun quizzes yourself, your profile info is revealed when one of your friends takes a quiz. Want to see how bad the problem is? Just take the ACLU's Facebook Quiz and prepare to be shocked."(Emphasis supplied.) "Application developers" means, of course, anyone who develops quiz or other application for use on FB, including various Big Bros. and, potentially, crooks.
"[U]sers can limit how much information applications (including friends' applications) can see by tweaking their privacy settings. . . . To do this yourself, go to Settings -> Privacy Settings -> Applications [-> Settings]. From there, you can uncheck the boxes next to the items which you don't want apps to have access to."Note: if you've ever taken any FB quizzes or used any other apps, you'll need first to go to the Applications page and uncheck all the applications with x's across from them (which are still authorized to share all your info).
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