Next: Settings for ads, apps, and websites

Description: This section controls how your Facebook profile and personal information interact with things outside Facebook proper, including , personalized ads, and websites that use Facebook data to customize your experience. It's also where the truly Orwellian stuff lives; if you're worried about Facebook destroying your privacy, head here first and turn pretty much everything off.

Notable settings: Everything here is worth scrutinizing, especially the 'Apps you use' control panel. Here you can review and remove all of the third-party apps you've added to Facebook. Be warned, however, that you must remove (and confirm removal) of each app separately, unless you elect to delete them all, so the operation may take a while to complete. In the Ads settings, you can turn off social ads and preemptively opt out of having your data used in third-party advertising. This section also lets you turn off Facebook "features" such as instant personalization (which exports your personal data to partner websites) and public search (which allows users whom you haven't friended to see your timeline through search engines, even if you've set your Timeline to be visible to friends only).