The second episode of Signal Fire examines how algorithmic feeds are reshaping identity, belonging, and belief. Jon Zieger and Lisa Senecal speak with Cynthia Miller-Idriss about the growth of online misogyny, the isolation of young men, and the systems that accelerate radicalization. The conversation traces the influence of cultural signals, influencer content, and gaming spaces on emerging worldviews. It also explores practical public health and digital literacy strategies that can strengthen resilience in families and communities.