Book excerpt: Digital Media, Online Activism, and Social Movements in Korea deepens the current understanding of online activism and its impacts on society by highlighting how various forms of social movements have been mobilized in Korea. Through exploring movements in Korea such as political participation based on SNS, the 2008 U.S. beef protests, and the 2016-2017 candlelight vigils, the contributors study the intersection of digital media platforms, current trends, and social, cultural, and political conditions within Korean society. Using a wide range of events and movements, this book analyzes how people have utilized the development of digital media to facilitate social movements and effect social change.