This is a great bit of co-creation from which I learnt a lot. Dave’s model is pretty awesome and Shawn’s iteration helped me understand it better; the use of human drawing softens the edges of the diagram – and that fuzziness itself is very significant. It reflects a key theme that the model addresses and it also makes the model less intimidating to the learner.
It also allows Shawn to put his own work – based around narrative – in context in a way that shifts my understanding of it. Thanks, Shawn, great job!
Update, April 2009: Sketchcast went out of business, so Shawn’s done a version on YouTube: