Case Studies

Chileans voted overwhelmingly in October 2020 to scrap their dictatorship-era constitution and draft a more democratic new constitution. In the months before that referendum, a hashtag campaign deluged Chilean Twitter with messages opposing a new constitution and spreading misinformation across the South American country. A media manipulation campaign targeting an election in this way was novel for Chile—and journalists in fact-checkers struggled to respond.

When a Trump ally claimed migrants were bringing Ebola into the US, fears of a deadly infectious disease furthered his crowdfunded quest to build a border wall with Mexico and fueled anti-immigrant sentiment. The 2019 Ebola rumor wasn't true, but that didn't stop it spreading in the far-right media ecosystem from Texas across the nation.

After military conflict broke out in the Tigray region of Ethiopia in November, 2020, two contesting narratives designed to influence international understanding of the conflict emerged, playing out largely on Twitter. Based on several months of data collection and mixed methods research, we trace the tactics of the two key online communities participating in these outward-facing advocacy campaigns: the Ethiopian government and its supporters, and Tigrayan activists and their supporters.

In a critique of former Malaysian prime minister Najib Razak’s involvement in the 1MDB scandal and corruption and censorship in Malaysia writ large, activist and artist Fahmi Reza posted a widely-circulated image of Najib as a clown on social media. Although the government arrested Fahmi in a bid to contain its proliferation, the meme nonetheless continued to gain traction, becoming a symbol of resistance that is still used to this day.

After Representative Alexandria Ocasio-Cortez described her experience during the Capitol insurrection on Instagram Live, critics used hashtags and misinfographics to invalidate her account, resulting in a harassment campaign followed by community mitigation.