If you are into electronics design and gadget making, this book is a must-read. Also, I've never felt closer to the world of Gibsons Cyberpunk than while reading part two of this book.
Nevermind the guy not knowing what he is doing with the differential pairs, but it looks like kicad is getting some really powerful routing features like push&shove. That will really set it apart from many other free solutions.
I'd rather it'd be called "Falsius" instead. Much more fitting, eh?