<div>Eviatar Zerubavel argues that most of the distinctions we make in our daily lives and in our culture are social constructs. He questions the notion that a clear line can be drawn to separate one time or object or concept from another, and presents witty and provocative counterexamples in defense of ambiguity and anomaly. <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div>