A twitch is defined as a sudden movement or jerk. The Twitch that we care about is a noun, not a verb. Twitch launched in 2011 as an online video gaming broadcast network. The online service joins gamers and game enthusiasts for live and recorded events. Uses for the service include broadcasting your games, watching live game streams, watching recorded videos of previous gameplay, and engaging in chat. The site's monumental growth in popularity is one of the aspects that led Amazon to purchase Twitch. This is a bonus for Lumberyard developers because Twitch and Lumberyard are compatible.
Video games are often played with some sort of social component. A classic example of this is playing a first person shooter console game with headsets that allow you to communicate with your team. Many online games support in-game text chat. While some might see this as a distraction, the industry has seen social components of games steadily increasing. Twitch takes this to another level...