This feature by default gives all your Facebook information to your friends applications.
Why in the world would my friends Facebook applications need my Bio, My videos, Birthday, My links, Family and relationships, My notes, Interested in and looking for, Photos and videos I’m tagged in, Religious and political views, Hometown, My website, Current city, If I’m online, Education and work, My status updates, Activities, interests, things I like, My photos, Places I check in to?

This is absolutely insane, when you play Farmville or Mafia Wars you are actually giving away all your friends personal information(thanks a lot friend). Then these applications can do whatever they want with it, cause you allowed them to, I mean you didn’t not allow them to

So to opt-out of this ridiculous privacy infringement, goto  Account > Privacy Settings > Info accessible through your friends, and uncheck everything!

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