What are trending Islamic ideas in Southeast Asia; how are they transmitted and who transmits them? These are questions that linger among the minds of policymakers, diplomats and scholars interested in Islam in Southeast Asia. Trending Islam maps and discusses key personalities, groups or institutions that influence Muslims in the region. This book dedicates more space to discuss the role of the Internet in disseminating religious discourses. Internet's role, in particular the use of social media either to advance interpretations of Islamic ideas or to gain influence in the public sphere, is becoming more significant as it allows information to spread faster and wider. While not discounting traditional issues such as extremism and terrorism, matters that continue to affect many people's lives in the region, the book delves into the interaction between violent and non-violent extremism and the liberal and progressive responses to them. Trending Islam covers the transmission of Islam in several countries and some case studies.