"Adverse outcomes such as suicide and depression appear to have risen sharply over the same period that the use of smartphones and social media has expanded. Alter (2018) and Newport (2019), along with other academics and prominent Silicon Valley executives in the “time well-spent” movement, argue that digital media devices and social media apps are harmful and addictive. At the broader social level, concern has focused particularly on a range of negative political externalities. Social media may create ideological “echo chambers” among like-minded friend groups, thereby increasing political polarization (Sunstein 2001, 2017; Settle 2018). Furthermore, social media are the primary channel through which misinformation spreads online (Allcott and Gentzkow 2017), and there is concern that coordinated disinformation campaigns can affect elections in the US and abroad." [Hunt Allcott, Luca Braghieri, Sarah Eichmeyer, and Matthew Gentzkow (November 2019) "The Welfare Effects of Social Media"]
BoingBoing, 10 February 2020:
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