Mark Zuckerberg released an open letter to Facebook users that promised to keep information private by making it simpler to do so. Zuckerberg also said that Facebook, originally created for college students to find one another, has grown exponentially and that its current regional networks are therefore obsolete:
The plan we've come up with is to remove regional networks completely and create a simpler model for privacy control where you can set content to be available to only your friends, friends of your friends, or everyone. . . .
Since this update will remove regional networks and create some new settings, in the next couple of weeks we'll ask you to review and update your privacy settings. You'll see a message that will explain the changes and take you to a page where you can update your settings. When you're finished, we'll show you a confirmation page so you can make sure you chose the right settings for you. As always, once you're done you'll still be able to change your settings whenever you want.