I wouldn't know I never use that kind of login. That is, if a site doesn't permit me to log in on just that one site then I don't sign in at all. It is for th

I wouldn't know I never use that kind of login. That is, if a site doesn't permit me to log in on just that one site then I don't sign in at all. It is for that reason that I never comment on Medium, as it only permits Twitter or Facebook sign in.