By Erin Woo and Kellen Browning, The New York Times Company When Drew Bienusa began playing Call of Duty, a first-person shooter game published by Activision Blizzard, he was immediately smitten. He loved how immersive having a digital avatar was, and the game was a favorite among his friends. Bienusa was so dazzled that in 2016, he began livestreaming himself playing Call of Duty on the Twitch platform.