Solahudin is a researcher on jihadi movements in Indonesia. He is the author of The Roots of Terrorism in Indonesia (translated by Dave McRae), published by NewSouth Books in association with the Lowy Institute for International Policy, with international editions by NUS Press and Cornell University Press.

In contrast with many other countries around the world, in Indonesia, social media has yet to play a significant part in the recruitment of new terrorists. It does, however, appear to affect the speed of radicalisation. Terrorism scholar Solahudin presents new research and looks at the reasons why.