Happiness is contagious in social networks – CNN.com


If you’re feeling great today, you may end up inadvertently spreading the joy to someone you don’t even know.

This network from 2000, colored for average mood, shows yellow as happy, blue as sad, and green as in-between.

This network from 2000, colored for average mood, shows yellow as happy, blue as sad, and green as in-between.

New research shows that in a social network, happiness spreads among people up to three degrees removed from one another. That means when you feel happy, a friend of a friend of a friend has a slightly higher likelihood of feeling happy too.

via Happiness is contagious in social networks – CNN.com.