Millennials are generally thought to be the most narcissistic generation in history, and this presents great challenge and opportunity for the managers who oversee them in the workplace.As with most personality disorders, narcissism exists on a scale. In this lesson, TIME Senior Writer Jeffrey Kluger, author of The Narcissist Next Door, explains that there’s a big difference in intensity between “lowercase n” narcissism and ‘capital N” Narcissism. The latter is clinically described as Narcissistic Personality Disorder (NPD). Only about 3% of the population has NPD, which is consistent with other similar disorders. Existing near the “capital N” side of the continuum means a lot of self-destructive and confrontational behavior. But if you slide down toward the other end of the scale, Kluger explains that there are times when “lower case n” narcissism can be a good thing. It serves as a way to express thoughts and creativity.By learning to mute the traits of the occasional cap...