He found himself in Palo Alto, California, during a suicide epidemic among students who attended Gunn High School. Seemingly happy, accomplished kids with supportive families were throwing themselves in front of a train. As a new father, Kravetz wondered if there was something about this high-pressure community, which gave rise to such tech innovators as Apple, Google, and Netflix, that had infected these kids. He used the contagion to explore how infectious behavior spreads.