The unit worked to combat "information operations", coordinated campaigns by countries such as Russia, China, and Iran, made to influence public opinion and disrupt democracy. "I still remember the rage I felt when I saw accounts with names like "Pamela Moore" and "Crystal Johnson" purporting to be real Americans from Wisconsin and New York, but with phone numbers tracing back to St Petersburg, Russia," recalls Yoel Roth, Twitter's former Trust and Safety head. Without the team dedicated to fight coordinated campaigns, Twitter "will slowly become more and more unsafe," says Linvill of Clemson University