Facebook is not a privacy company; it’s Big Brother on PCP. It does not want to anonymize and protect you; it wants to drain you of your privacy, sucking up every bit of personal data. You should resist the urge to let it, at every turn.
There’s a new menu item in the Facebook app, first reported by TechCrunch on Monday, labeled “Protect.” Clicking it will send you to the App Store and prompt you to download a Virtual Private Network (VPN) service called Onavo. (“Protect” shows up in the iOS app. Gizmodo looked for it on an Android device and didn’t see it—though, presumably it is only a matter of time.)
Millions of people use VPNs to enhance their privacy online. But that is not Onavo’s function.