Facebook's old API, the tool that gives third parties access to user data, provides insight into what would have been possible to obtain before 2014.

Today, Facebook announced new API restrictions for apps. These changes are intended to continue helping developers create apps that the Facebook user base enjoys while also protecting the data and ...

Now that time has come, with the forced migration to Graph API v2.0 leading to the friends’ data API shutting down, and a few other changes happening on April 30.

The so-called Open Graph API included not only a user's name, birthdate, politics, and religion—private direct messages could be requested too—but also his or her friends' data.