"Comprehensive and definitive, this is an outstanding book that provides a panoramic view of politics in an era of social media. From the Mediterranean to East Asia to Oceania, from Scandinavia to sub-Sahara Africa to Latin America, the volume as a whole is truly global, yet with nuanced regional and national analyses in each chapter. Theoretically informed, the research presented here breaks new empirical grounds using latest digital methods. The result is a milestone for our collective understanding of new media technology and comparative politics in the twenty-first century." —Jack Linchuan Qiu, The Chinese University of Hong Kong"This book brings together top scholars from across disciplines and across the globe to examine social media use in a variety of political systems and for distinct purposes. It is required reading for anyone interested in understanding the many ways that digital communication technologies now are used in political life." —Jennifer Stromer-Galley, Syracuse University"The strength of this collection is in its diversity of international and theoretical perspectives, which make it a valuable resource providing a contemporary overview of this quickly expanding area of political communication research." -Caroline Fisher, Australian Journalism Review