Social media authentication—the ability to log in to a site using your Twitter, Facebook, or similar account—has been well embraced by users and websites alike. Rather than forcing users to create new accounts at each site, social media authentication allows them to use their favorite existing account. Furthermore, authentication leads the way to authorization, where a website can make use of the social media site's resources. In this article, Larry Ullman will show you how to integrate this functionality into your website.
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