From the Webpage Overview: "'Plandemic,' a 26-minute trailer video about coronavirus conspiracy theories, went viral in May 2020 because of 'distributed amplification' [hyperlink]. In response to its high viewership, major social media platforms moderated 'Plandemic' and prepared for the full-length video. The platforms' efforts slowed the spread of 'Indoctornation,' the anticipated 75-minute movie. 'Indoctornation' failed to achieve the virality 'Plandemic' had."
Media Manipulation Casebook
Media Manipulation Casebook: https://mediamanipulation.org/