Eran and I delivered a session titled “Building Workflow Services with WF 4.0 and WCF 4.0” at the Sela Developer Practice on Tuesday. This session was all about integrating the new features of WF 4.0 and WCF 4.0 to create a workflow application that orchestrates the execution of multiple WCF services. During the session, we showed how to use WCF 4.0’s ad-hoc discovery, how to write declarative workflows and use custom activities, how to take advantage of the built-in messaging activities in WF 4...