Twitch is a live online streaming platform and social networking website geared toward gamers. Gamers use Twitch to play video games with commentary, reaching live audiences with chat rooms and subscription options.
Twitch is primarily used by amateur gamers as an alternative or substitute to YouTube. It is also used in the e-sports industry to provide viewers with a way to watch live tournaments and other gaming events. In addition to its web presence, Twitch is available as an app on iOS and Android phones for mobile viewing. As of 2014, the most popular games featured on the Twitch homepage include League of Legends, Dota 2 and Hearthstone.