"Why is Miami--Miami? What does the heartbreaking fate of the cheetah tell us about the way we raise our children? Why do Ivy League schools care so much about sports? What is the Magic Third, and what does it mean for racial harmony? In this ... work, Malcolm Gladwell returns for the first time in twenty-five years to the subject of social epidemics and tipping points, this time with the aim of explaining the dark side of contagious phenomena. Through a series of ... stories, Gladwell traces the rise of a new and troubling form of social engineering"-- Provided by publisher.