A champion gamer's decision to open fire Sunday afternoon during a video competition — killing two people and wounding nine others before killing himself — has prompted calls from gamers for more security at esports tournaments.

By Tamara Lush, Russ Bynum, Associated Press

After making a career out of stunts like refrigerator-skiing -- drawing millions of eyeballs from the coveted under-35 demographic -- Shaun McBride has learned how to adapt to new platforms and invest in evolving business models.

By Michael Boulter, Paul Solman

As more people consume video online, "streaming" is the internet's version of live TV, but with instant feedback from fans. How have star streamers turned activities like taping themselves playing video games into profitable careers? Economics correspondent Paul Solman reports…

By Paul Solman, Jaywon Choe

It's drawn millions of fans, its competitors get paid big money and the Olympics are considering adding it. As an industry, eSports -- professionals playing video games for spectators -- is set to gross nearly $1 billion by the end…

By Paul Solman, Jaywon Choe