What Emotions Can Tell Us About the World In everyday life, we are surrounded by people who experience and express emotions. In fact, even trivial interactions such as paying for purchases in a store often involve some level of social exchange and it is rare that an interaction is bereft of emotional exchanges. Accuracy in emotion perception helps coordinate and facilitate interpersonal communication and provides the necessary “affective glue” between people (Feldman et al. 1991). In line with this view, traditionally, emotion researchers have focused on emotion perception in terms of the ability...