"Coordination" occurred with astonishing speed, even in sectors of life not directly targeted by specific laws, as Germans willingly placed themselves under the sway of Nazi rule, a phenomenon that became known as Selbstgleichschaltung, or "self-coordination." Change came to Germany so quickly and across such a wide front that German citizens who left the country for business or travel returned to find everything around them altered, as if they were characters in a horror movie who come back to find that people who once were their friends, clients, patients, and customers have become different in ways hard to discern."