We learned a lot in this chapter about the Graph API: not just what it is, but also how to access it in AS3.
Key things to learn:
The Graph API is so-called because it represents all of Facebook's data connected in an enormous graph of objects and connections.
The Graph API has two types of elements: Graph Objects and Graph Lists.
Graph Objects may have two IDs: a numeric one specified by Facebook, and possibly an alphanumeric one, specified by the Graph Object's owner.
Graph Objects have connections; connections lead to Graph Lists; Graph Lists contain Graph Objects.
The format of a Graph URL for retrieving a Graph Object is https://graph.facebook.com/graph_object_id.
The format of a Graph URL for retrieving a Graph List is https://graph.facebook.com/graph_object_id/connection_id.
Graph URLs return data in JSON format. This is a text-based format which uses key-value pairs to represent objects containing properties, arrays, and other objects.
Sometimes, Graph URLs return error messages;...