I feel I need to explain my review methodology.<br/><br/>5: recommend to many people with little or no hesitation.<br/>4: recommend to some people, with some hesitation.<br/>3: might recommend it, but needs a warning.<br/><br/>This book needs a warning. The concepts are super interesting. Definitely some cool takeaways, but...<br/><br/>It could have been half as long. The last third was a slog.<br/><br/>You've been warned.