How interesting: I installed and launched the app expecting to see the standard "Log in with Facebook" screen, but instead there's a big button that says "Conti

How interesting: I installed and launched the app expecting to see the standard "Log in with Facebook" screen, but instead there's a big button that says "Continue as [my name]" (and a smaller one, "Not you?"). I wonder how exactly they're doing this, and if it will make its way into 3rd-party apps. It made the first launch experience quite seamless.