Found this LinkedIn profile page cloneable by Christian Gilbang and it inspired me to make that modal you see when you go to someones profile without being logged in - all Memberstack attributes are applied here so it will show up to logged out users only, and the Google sign in works too!

linkedin,  signin,  login,  sociallogin,  userlogin,  userlogins,  modal,  modals,  popup,  popupmodal,  membership,  memberships,  memberstack,  memberstack2