How WeChat bots are running amok

GUEST: She calls herself Cara. She looks like a model  —  large eyes, perfect skin  —  and teaches yoga for a living. She says her hometown is Changchun, a northeastern city not far from North Korea, and lives in Shanghai with her parents. Cara is also a chatbot. "She'll be a little bit flirty," Matthew Brennan, co-founder of […]