Welcome to Windows Workflow Foundation 4 (WF) Microsoft's programming model, engine and tools for quickly building workflow-enabled applications. This release of WF in .NET Framework 4 changes several development paradigms from previous versions. Workflows are now easier to create, execute, and maintain.
Wherein the author presents a recipe for job security: tie development so closely to an understanding of corporate workflows that it's irrevocably knit into the fabric of the company and colocation with users ... It's important to note, however, that the sort of development he's talking about is strictly the light-weight "in house" variety -- not the development of externally facing applications for sale.