“…Müller and Schwarz exploit Facebook and Internet outages(Müller & Schwarz, 2019a) and the rise of Donald Trump together with Twitter usage(Müller & Schwarz, 2019b) to show that social media increases hate crimes in Germany and the US, respectively. Bursztyn, Egorov, Enikolopov, and Petrova (2019) also find that social media influences the rate of hate crimes in Russia.4Guriev, Melnikov, and Zhuravskaya (2019) show that increased access to 3G networks reduced government approval in a sample of 116 countries and, in European democracies, the vote shares of antiestablishment populist parties.5 One paper that goes beyond documenting the uses of social networks to evaluate their impact isLarson, Nagler, Ronen, and Tucker (2019), who collect data on Twitter activity during the 2015 Charlie Hebdo protests in Paris, recording both real-world protest attendance and social network structure. They show that the protesters are significantly more connected to one another relative to comparable Twitter users.…”