Our unconscious is a powerful force. But it’s fallible. It’s not the case that our internal computer always shines through, instantly decoding the “truth” of a situation. It can be thrown off, distracted, and disabled. Our instinctive reactions often have to compete with all kinds of other interests and emotions and sentiments. So, when should we trust our instincts, and when should we be wary of them? Answering that question is the second task of Blink. When our powers of rapid cognition go awry, they go awry for a very specific and consistent set of reasons, and those reasons can be
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