In the world of SOA it is useful to classify your services into two types: Business Activity Services and Resource (or sometimes Entity) Services. In this demo-centric session we’ll look at how Windows Communication Foundation (WCF) and Windows Workflow (WF) can be used within this classification system. More specifically we’ll look at how WF is an ideal choice to use “inside the boundary” of your Activity Services to carry out the long-running work the service represents.