New research project reveals manipulative practices in political emails

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Arunesh Mathur, Angelina Wang, Carsten Schwemmer, Maia Hamin, Brandon Stewart, Arvind Narayanan (2020). Manipulative tactics are the norm in political emails: Evidence from 100K emails from the 2020 U.S. election cycle. URL:

The project examines manipulative practices in political emails from political candidates and political organizations in the United States. Using a newly assembled corpus of more than 100,000 political emails from over 2,800 political campaigns and organizations sent during the 2020 U.S. election cycle, the authors find that manipulative tactics are the norm, not the exception. The majority of emails nudge recipients to open them by employing at least one of six manipulative tactics; the median sender uses such tactics 43% of the time. Some of these tactics are well known, such as sensationalistic subject lines. Others are more devious, such as deceptively formatted “From:” lines that attempt to trick recipients into believing that the message is a continuation of an ongoing conversation. Manipulative fundraising tactics are also rife in the bodies of emails. The email corpus can be browsed at