A lot of people sell books and give presentations that suggest that Millennial employees, those born between 1976 and 1996 (Millennials, or Gen Y) are significantly different from employees born between 1965 and 1975 (Generation X), and radically different from people born during the 20 years before 1965 (Baby Boomers).

But are Millennials truly different, or are they just younger?

Having read a fair bit of research on this topic, here are what I believe are four (4) key truths and one (1) harmful myth about the differences between Millennial employees compared to their older Gen X and Baby Boomer co-workers.