ShikakeWe are living in a time when behavioral change is necessary for our health and survival. Yet we find it exceedingly difficult to transform our own habits, let alone those of other people. Enter Naohiro Matsumura, whose powerful new design method is as astonishingly simple in its logic as it is sophisticated in its psychology. It allows any of us from UX designers and marketers to concerned citizens and overworked parents to address challenges in our