I saw a reference to this on JTB World. Kean Walmsley of Through the Interface fame has a great webcast on Autodesk Component Technologies. If you are a programmer or someone who just wants to know the difference between the Autodesk DWF Toolkit, the Autodesk Design Review API, Project Freewheel, and other DWG versus DWF programming alternatives, then this audio/video presentation is for you:
It only takes a few minutes. Check it out.