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In this chapter, we explore the communication modes and tactics used by extremists across the ideological spectrum to spread their narratives on social media. We argue that a growing body of evidence suggests that extremist movements across the political spectrum make use of similar communication modes and tactics on social media to reach their objectives. Drawing on specific case studies and examples from extreme-right, conspiracy myth and Islamist extremist campaigns, this chapter highlights how groups and networks adapt to changing circumstances and external pressure by making different strategic choices about whether to use overt or covert, centralized or crowdsourced, influencer-based or network-based and aggressive or optics-focused communication modes. On a tactical level, our case studies provide insights into approaches chosen by extremist movements to radicalize sympathizers, influence mainstream audiences and intimidate political opponents. Throughout these case studies, it becomes clear that extremists are engaged in collective learning in relation to their communication modes and the use of new technologies, with approaches and instructional materials being shared and inspiring extremists across borders.

VOX-Pol Blog post.

The role of information and communication technology (ICT) companies in responding to alleged terrorist or extremist content has become one of the most challenging issues for freedom of expression and privacy online. In July 2015, GNI launched a policy
dialogue to explore key questions and considerations concerning government efforts to restrict online content with the aim of protecting public safety, and to discuss the human rights implications of such government actions.

VOX-Pol Blog post.

Emerging research on the etiology of violent radical political behavior has begun to explore the role of empathy in shaping an individual’s beliefs, attitudes, and intentions that culminate in radicalization. The existing studies focus on persuasive influence upon an individual, but they overlook the centrality of empathy and that in the absence of empathy, persuasion is not salient. If an individual empathizes with a message then when it is processed by the receiver, the message is more likely to be considered realistic, relatable, believable, and therefore, persuasive. However, very little is known as to how messages should be designed to stimulate empathy in order to optimize their persuasive impact, which is particularly relevant to terrorist and extremist messaging given the lethal outcome of successful persuasion. This study examines the neurocognitive process of radicalization, specifically as it occurs within virtual online space, and how message content and production features have the potential to arouse empathy and generate radical-persuasive outcomes among the target audience. The findings of this research demonstrate how emotions, specifically that of empathy, can be stimulated in order to facilitate the process of radicalization, thus increasing the potential for violent radical political behavior.

VOX-Pol Blog post.