This is version 8.0 of the Facebook Graph API which includes changes for; App Types, Access Levels, Development and Live Mode Removal and more. The Graph API is a view of the Facebook social graph that uniformly represents objects in the graph and may include; people, photos, events, and pages etc., and the connections between them for friend relationships, shared content, and others. Public information can be accessed without a developer key/application key, but is required for private data access. Facebook Developers provide services that help build, grow and monetize applications.
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Facebook’s photo tagging suggestion feature automatically recognises friends’ faces in a photo to make it fast and easy to tag people you know on the platform. In this tutorial, Narendra Rajput deconstructed the process to see how it works, then wrote a small Ruby script to automate the process.