The Center for Countering Digital Hate compiled a data set of 58,588 tweets containing the words “Ukraine,” “vaccine” and “climate” posted by Twitter Blue users, who have paid the platform £8 a month for benefits including a blue “verified” badge. The researchers analysed 100 tweets on each topic with the most user interactions, each posted after Twitter Blue was launched on November 9. The tweets had a total of 930,879 likes, retweets and comments.