<b><b>A <i>New York Times</i> Bestseller</b><br /><br />An audacious, irreverent investigation of human behavior—and a first look at a revolution in the making</b><br />  <br /> Our personal data has been used to spy on us, hire and fire us, and sell us stuff we don’t need. In <i>Dataclysm</i>, Christian Rudder uses it to show us who we truly are. <br />  <br /> For centuries, we’ve relied on polling or small-scale lab experiments to study human behavior. Today, a new approach is possible. As we live more of our lives online, researchers can finally observe us directly, in vast numbers, and without filters. Data scientists have become the new demographers.<br />  <br /> In this daring and original book, Rudder explains how Facebook