It started with Baby Boomers. Generations prior to that didn't pay nearly as much attention to generational cohorts. The whole idea of generational cohorts feel

It started with Baby Boomers. Generations prior to that didn't pay nearly as much attention to generational cohorts. The whole idea of generational cohorts feels like a marketing construct, and its adoption into the normal lexicon coincides with increases in middle-class wealth and expansion in the advertising industry. Prior to boomers it was just "kids these days"...