Feb. 7, 2013, Mashable announced that Facebook broke the Internet for about ten minutes. The event has been aptly named on Twitter, "Facebookmageddon" and "Facebocalypse." Facebook was redirecting computer and smartphone users to dozens of websites that let you login with your Facebook credentials to an error message page.
Facebook stated that their was a technical issue with the Facebook Connect API that caused users on any website that lets you login with Facebook to be redirected to a Facebook error message page. They recognized and resolved the issue promptly. Facebook login with any third party website should now be working without error.
It was a brief pull to the plug of the Internet, but it shows us how a simple problem with Logging with Facebook and Facebook itself can trickle into many avenues of the Internet to affect websites and logins more than anyone could have believed possible.