How I Built This with Guy Raz

Twitch: Emmett Shear

In 2011, when Emmett Shear pivoted the live streaming service Justin.tv into the video game platform Twitch, people warned him that gaming was just a niche. But unlike his first two ventures, video games were something Emmett instinctively understood: he and his co-founder Justin Kan had been playing them together since they were kids. Emmett built a user…