The readers should also familiarize themselves with Event Modeling which goes with or without DDD. In fact, it can describe traditional systems while keeping the event-centric mindset.
Pieter inspired me to explore the "0" in other things through the success of the simplicity of 0mq and what it brought to my work. Things are simpler and easier for me, thanks to Pieter. I hope everyone gets to see the beauty and power of minimalistic approaches. I'm humbled to know him.