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In my previous post, I showed some more advanced filtering capabilities using the Graph Explorer . The Graph Explorer tool is an easy to use tool to try different queries and see the returned data. It does “hide” some of the underlying protocol, including how to authenticate to the Graph API, and what the actual http calls look like. In this post I’ll go into details about this, and I’ll be using Fiddler to expose the protocol - Fiddler is a great tool for debugging your application, and great for hand-crafting http requests and reviewing the detailed responses ( http://fiddler2.com/get-fiddler ). I believe by being able to see the protocol in detail, it helps you to write your code later, and also gives you a good reference for how to troubleshoot issues. Now for...