OK so you watched WCF End-to-End, wait, you didn't? OK stop and go watch it now… you're back and watched it, great. Now you're ready for some more advanced stuff. This is where WCF super-shines because it's capable of stuff that's just not doable with other technologies. You can add capabilities to your applications or system of applications that will take them to the edge of functionality and coolness. I'll teach you how to leverage WCF's extensibility by customizing parts of it to meet your needs. You can enjoy this course in its entirety or just target the modules that you feel will help you in your particular situation. Let's continue this journey, on what is still today, the richest service technology in the Microsoft stack.