Those of us involved in social media know that people love to talk about themselves. They seemingly enjoy sharing the trivial, the personal, and occasionally the weird, details of their lives. Sometimes they overshare – as a longtime online community builder, I’ve found that “poster’s remorse” is common – people post something too personal and later regret doing so. So why do people share so much? New research from Harvard shows, in simple terms, that talking about yourself makes your brain feel good. […]