Not long ago, the rise of social media inspired great optimism about its potential for flattening
access to economic and political opportunity, enabling collective action, and facilitating new …

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Social media platforms have been found to be the primary gateway through which
individuals are exposed to fake news. The algorithmic filter bubbles and echo chambers that …

Although commentators frequently warn about echo chambers, little is known about the
volume or slant of political misinformation that people consume online, the effects of social …

Until recently, social media was seen to promote democratic discourse on social and
political issues. However, this powerful communication platform has come under scrutiny for …

WhatsApp has revolutionized the way people communicate and interact. It is not only
cheaper than the traditional Short Message Service (SMS) communication but it also brings …

Technology is breaking politics–what can be done about it? Artificially intelligent “bot”
accounts attack politicians and public figures on social media. Conspiracy theorists publish …

We present a model of online content sharing where agents sequentially observe an article
and decide whether to share it with others. This content may or may not contain …

Until recently, social media were seen to promote democratic discourse on social and
political issues. However, this powerful communication ecosystem has come under scrutiny …

There has been considerable work recently in the natural language community and
elsewhere on Responsible AI. Much of this work focuses on fairness and biases (henceforth …