Study: Facebook profiles can be used to detect narcissism

Study: Facebook profiles can be used to detect narcissism:

"Narcissism is a trait of particular interest, Campbell said, because it hampers the ability form healthy, long-term relationships. 'Narcissists might initially be seen as charming, but they end up using people for their own advantage,' Campbell said. 'They hurt the people around them and they hurt themselves in the long run."