The following roots in something I heard from Jon Jagger at QCon London 2011 after his fantastic talk about Deliberate Practice. It was related to Test Driven Development. He asked “Why do cars have brakes?”. It made us think “To stop!”, but he said “No – to go faster”.

I’m really into visualizations. More often then not I can only really “get” something (a complex system, an abstract idea, a process etc.) when I see it visualized. You could call this the transformation of gut feelings into images.

So, I had this (rather obvious) gut feeling that working iterative in software projects makes a lot [...]