In 2013 Facebook launched a feature allowing users to add a feeling tag to their posts as part of their daily interactions online. Our research leverages the text accompanying all such volunteered feeling tags in an effort to map the semantic space of ‘Facebook feelings’ as they are catalogued by the crowd. By letting the data speak for itself, a folksonomy of feelings reveal temporal and socia...

Intuitively, how you feel about potential outcomes will determine your decisions. Indeed, an implicit assumption in one of the most influential theories in psychology, prospect theory, is that feelings govern choice. Surprisingly, however, very little is known about the rules by which feelings are transformed into decisions. Here, we specified a computational model that used feelings to predict...