This book takes a close look at social media in sport and considers its significance for sport business and for the wider relationship between sport and society.Presenting new research, case studies and data, it examines the way people use social media, the changing art of managing social media platforms, and the theory and concepts that inform research on this important topic. Featuring the work of leading sport researchers from around the world, the book presents evidence-based analysis of contemporary topics including fan engagement, athlete activism, branding and sponsorship strategies, sportswashing, public relations and crisis communication. It presents case studies from sports and events such as the Olympic Games, the WNBA, professional football leagues, and Peloton, and across social media platforms including Tik Tok, Twitter and Instagram.This is essential reading for anybody with an interest in sport media, sport business, the sociology of sport, digital business, or new media studies.