E-sports refers to competitive video gaming. It began in 1972 and the first championship was held in 1981 with 10,000 participants. By 2013, an estimated 71.5 million people worldwide watched e-sports. The global e-sports market was worth $1.17 billion in 2021 and is expected to reach $5.74 billion by 2030. Popular e-sports games include Fortnite, BGMI, League of Legends, Dota 2, and Counter-Strike: Global Offensive. Careers in e-sports include content creation, event management, journalism, and more. However, excessive playing can lead to isolation, addiction, and health issues from lack of physical activity.