Even though previous management denied reports of a shadow ban, Weiss said Twitter executives and employees used a powerful tool like "Visibility Filtering or VF" to block searches of individual users and to limit the scope of a particular tweet's discoverability.
This set of documents were mainly Twitter's internal communications to disclose links with political actors and with a focus on how the social network blocked stories related to Hunter Biden's laptop in the lead-up to the 2020 US Presidential election.