19 In 2018, a team of economists: “The Welfare Effects of Social Media,” Hunt Allcott, Luca Braghieri, Sarah Eichmeyer, and Matthew Gentzkow, American Economic Review, March 2020.
Fisher, Max. The Chaos Machine: The Inside Story of How Social Media Rewired Our Minds and Our World (p.343). Little, Brown and Company. Kindle 版.