[21:59] Neuromancer had one supporting character that died before the actual story took place and only existed as a digital copy of his personality and knowledge people could interact with. Here's a person who, as far as I understood, trained GPT-3 (Project December, specifically) on texts written by their late fiancée for a chance to have a chat. Touching. And fascinating.
Update: I forgot to mention the character I was referring to: Dixie Flatline