About twenty years ago it was a fun new experience to log into an application or website and see your own face in the website’s header. Soon, all you had to do was make an account with a popular social site or email provider and use it everywhere you went. This provided a great experience for a couple of reasons; you didn’t have to add another password to yet another database, and you could know at a glance that the website you were using had the correct account associated with it. It also pr...