This document provides an overview of the esports landscape including audiences, teams, leagues, media, and participation in traditional sports. It finds that esports fans are much more open to sponsor messaging and brand loyalty than the general population. The largest leagues are ESL, Blizzard's leagues, and Riot's League of Legends circuits. Streaming platforms like Twitch are hugely popular for consuming esports, while Turner is focusing on broadcasting to TV. Finally, many traditional sports teams are investing in or partnering with esports teams.