Only use this form if you've signed with with Facebook or Google in the past.
This form will not create a new account if you don't already have one, and will
not work if you haven't signed in with Facebook or Google before.
This form will send you an email with a link that you can use to sign in.
This is useful if the regular Google or Facebook login isn't working.
If you normally sign in using Facebook Login, make sure you enter the email
address associated with your Facebook account.