Experts criticize Koko, a mental health nonprofit, for directing some at-risk users on Facebook, Tumblr, Discord, and other platforms to a chatbot for a study (Chloe Xiang/VICE) by India News Online Team March 9, 2023 0 Chloe Xiang / VICE: Experts criticize Koko, a mental health nonprofit, for directing some at-risk users on Facebook, Tumblr, Discord, and other platforms to a chatbot for a study ...