10/16/2014: This application has been updated to use the new Firebase login framework and has introduced breaking changes. More information on the new login features can be found here.
This application demonstrates various techniques for working with the Firebase framework on iOS to build a complex app. Firefeed, available on the web here, is a social newsfeed application in the style of Twitter.
It shows how to manage lists of complex objects with Firebase, as well as user data and authentication. It also demonstrates some techniques for denormalizing your data to make it easier to query, as well as methods for performing searches against your data.