Dodds, P. S., & Danforth, C. M. (2010). Measuring the happiness of large-scale written expression: Songs, blogs, and presidents. Journal of happiness studies, 11(4), 441-456.

The importance of quantifying the nature and intensity of emotional states at the level of populations is evident: we would like to know how, when, and why individuals feel as they do if we wish, for example, to better construct public policy, build more successful organizations, and, from a scientific perspective, more fully understand economic …

Etkin, J. (2016). The hidden cost of personal quantification. Journal of Consumer Research, 42(6), 967-984.

  From sleep and energy use to exercise and health, consumers have access to more information about their behavior than ever before. The appeal of personal quantification seems clear. By better understanding our behavior, we can make the necessary changes to live happier, healthier lives. But might the new tools people are using—quantifying life— rob …