On to Facebook's sign in, which is very different.
Google's sign in, sends you a key, and then you have to authenticate the key to get the information that's needed.
Facebook's sign in sends you the information that's needed, but then they seem to save your sign in session.
So Facebook's is easier to sign in, harder to sign out.
Google's sign in, sends you a key, and then you have to authenticate the key to get the information that's needed.
Facebook's sign in sends you the information that's needed, but then they seem to save your sign in session.
So Facebook's is easier to sign in, harder to sign out.