Joshua Barbeau programmed an advanced AI chatbot to sound like his dead fiancé, so he could properly grieve her death. So what has Joshua's story taught us about the potential role of AI in human grief processing? And why is OpenAI, the software's designer, so afraid of what it might be capable of?  Joshua: @JoshuaBarbeau on twitter  Erica: @erica_mallett on Instagram  Thanks to Jason Fagone for his original article on the story in the SFH.  See omnystudio.com/listener for privacy information.