Tutorial: Facebook 2-factor authentication, step-by-step

Facebook has never seemed to have a particularly friendly relationship with security and privacy. After all, the more Facebook knows about you, the more the company can profit from the social graph. But while the company has implemented some fine security features for users, the way they present them leaves a lot to be desired.

Take 2-factor authentication, which is what we'll discuss in-depth in this article. Facebook actually supports multiple second factors (text messaging, its own apps, voice calls, third party apps). But getting to them is less than obvious and, in some cases, requires you to sacrifice some personal security to gain some Facebook account security.

Also, since Facebook does have so many authentication options for the second factor (after you type in your user name and password), it seems a shame that they don't let the authentication factors stack, so those w