In our last video, we introduced Blueprint interfaces as a method for managing our references between the different actors involved with the UI. Today we're going to look at those some more and I am going to show you both the conventional use for blueprint interfaces, and also how we can co-opt them for reference management. In the next video, we are going to look at something else I introduced in the User Interface lesson; CDO, the class default object. You can find the project files for thi