Since December 2011, the Somali jihadist group, Harakat al-Shabaab al-Mujahideen, had been actively using the popular micro-blogging platform Twitter to engage with English-speaking supporters. At the time of this brief’s publication, the organization (@HSMPress) had more than 20,000 followers and had tweeted approximately 1,250 times, before its English-language account was suspended by Twitter Jan.25, 2013.
Sheehan, James, and Shiraz Maher, Alexander Meleagrou-Hitchens. 2013. "Violent Jihadism in Real Time: Al-Shabaab's Use of Twitter." January. https://www.start.umd.edu/sites/default/files/files/publications/research_briefs/STARTResearchBrief_AlShabaabsTwitterUse.pdf