The networked structure of the internet facilitates the dissemination of extremist messages and often makes removal impossible. Equipping media users with critical (preventive) skills appears a more promising strategy than trying to block any exposure to extremist messages. Although various prevention programs follow this approach. research on their impact and success is scarce. https://www.alarecre.com/American-Flag-Color-Block-iPhone-14-Waterproof-Case-p12619/