Generations: The Real Differences Between Gen Z, Millennials, Gen X, Boomers, and Silents—and What They Mean for America's Future

by Jean M. Twenge

The easiest way to piss off a Millennial or a Gen Z’er is to say something like “In my day, we just worked our way through college.” Well, in the Boomers’ day the University of California was tuition-free for state residents.