A big challenger is about to change the way you use Facebook to log in on websites

There are two ways to log in on websites: try to recall the email address and password you registered with —  or simply hit the "Facebook Login" button. 

The convenience of the latter underscores the popularity of social authentication options. You'll see Facebook and Google login buttons on popular sites including Netflix, Uber, Spotify, Imgur and Linkedin, just to name some.

Facebook itself estimates that some 350 million people log into a new app or site with their Facebook credentials every month. 

Olga Kuznetsova, Engineering Manager at Facebook told us that the Facebook Login button ranks in the top three of consumer account creation and sign-in preferences worldwide. Read more...