Based on a sample of almost 20,000 Twitter accounts, J.M. Berger and Jonathon Morgan conducted a study considering the demographics and social media activity of ISIS supporters around the world. The paper offers a preliminary examination of the effects of suspending social media accounts and offers policy recommendations to respond to Islamic State extremism online.

• Much of ISIS’s social media success can be attributed to a relatively small group of hyperactive users, numbering between 500 and 2,000 accounts, which tweet in concentrated bursts of high volume.