iGen: Why Today's Super-Connected Kids Are Growing Up Less Rebellious, More Tolerant, Less Happy--and Completely Unprepared for Adulthood--and What That Means for the Rest of Us

by Jean M. Twenge

As time went on, I found a broad array of generational differences in behaviors, attitudes, and personality traits that distinguished the Millennials, the generation born in the 1980s and early 1990s. That research culminated in my 2006 book Generation Me, updated in 2014, a look at how the Millennials differed from their predecessors.