In case you’re wondering what OAuth2 is, it’s the protocol that enables anyone to log in with their Facebook account. It powers the “Log in with Facebook” button in apps and on websites everywhere.
This article shows you how “Log in with Facebook” works and explains the protocol behind it all. You’ll learn why you’d want to log in with Facebook, Google, Microsoft or one of the many other companies that support OAuth2.
The post What You Need To Know About OAuth2 And Logging In With Facebook appeared first on Smashing Magazine.