Social media may be a tool to empower dangerous populism. During this election, a number of important actors (ab)used social media to disseminate fact-free messages that would have been filtered out by traditional media’s gatekeepers. We need to find ways to ensure that social media empowers positive speech and disempowers speech that destroys social capital (while not restricting free speech).
HCI and the U.S. Presidential Election: A Few Thoughts on a Research Agenda
Brent Hecht

Fake news pretty much spreads through social media … so I see these two points as inextricably linked.

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