Figure 1 (IMAGE) George Washington University Caption (TOP) Road network of social media outlets in which the colorful left side demonstrates bad-actor communities across platforms and the blue, right side shows vulnerable, mainstream communities. (BOTTOM) The bottom portion is zoomed in to show the underlying community node-link cluster dynamics. Credit The George Washington University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.