It's kind of cute to watch people around my age carefully parsing the differences between early, middle, and late #GenerationX while talking about #Boomers and #Millennials as undifferentiated masses. And by cute, I mean in the same way as, say, a baby slug.
Human biological #generations are around twenty-five years. Cultural generations are more like five years, ten at most. #Strauss & #Howe have a lot to answer for.