WF 3.5 Brief introduction to WF 3.5 What it is What problems it solves Brief WF architecture overview Hello World Walk through of creating an asynchronous, persistable Hello World application Gotcha’s and techniques A review of frequent gotcha’s I’ve seen on the WF forum and in my projects Techniques that we’ve used in our implementation and a brief tour of how we architected our system WF 4.0 3000 foot overview of the changes to the system