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Absolutely enthralling and fascinating throughout.

This is one of the most fascinating books I have read in some time. The book centers on the concept of how fast we really do make judgments, called "thin slicing", and how deeper analysis can sometimes provide less information than more. It is all about cognitive speed.

The concept of "thin slicing" is dissected and explained. What I found fascinating, and also common sense, is that we process information on a subconscious level, "behind the door", and process so holistically that to over analyze can actually hinder our ability to make decisions.

Several key points are applicable in business. One of the in depth studies looked at a military leader who was particularly successful. One of his more poignant observations was that a great leader needs to let the people do their work. When deciding how often to follow up "you are diverting them, now they are looking upward instead of downward. You are preventing them from resolving the situation". (Page 118) Further "allowing people to operate without having to explain themselves constantly ... enables rapid cognition" (Page 119). It seems that most micro-management actually prevents people from successful decision making.

Another strange phenomenon occurs when we try and explain how we come to some conclusions. It seems that the more we try to analyze how we come to some conclusions the less reliable they become.

The ability to absorb and detect minute changes in facial expressions allows us to essentially "read minds" if we pay attention. There are several chapters on how reliable we can be in predicting behavior with very little information.

Overall, this book is so well written that I had a hard time putting it down. My only compliant, and it is a minor one, is that the book just ends. No summary or wrap up, just "boom", it's over. However, that is more a testament to how engaging the book is I suppose. Highly recommended!