Every trend has a death phase, but most people do not recognize it until long after the opportunity to exit has passed. They ride momentum down, mistaking residual activity for vitality. They confuse visibility with relevance. They see metrics that have not crashed yet and assume the trend is still alive, missing the subtle signals that indicate terminal decline. By the time the trend is obviously dead, you have already lost, either by staying too long or by jumping ship too late to capture the next wave. Trends do not die suddenly. They decay. They lose vitality gradually, often while...