Guess, A., Aslett, K., Tucker, J., Bonneau, R., & Nagler, J. (2021). Cracking Open the News Feed: Exploring What U.S. Facebook Users See and Share with Large-Scale Platform Data. Journal of Quantitative Description: Digital Media, 1. https://doi.org/10.51685/jqd.2021.006 (Original work published April 26, 2021)