When you type that URL and hit enter, you aren't just logging in. You are choosing to engage with the internet on its own terms—through a keyboard, a mouse, and a screen that demands your attention, not just your time. It is the last place where social media feels like work, and perhaps, that is exactly why it still matters.
This paper provides a formal analysis of the protocol used when users log in to desktop websites via their Facebook account. It identifies specific security flaws in the desktop-to-web authentication flow that could lead to user impersonation. facebook for desktop login