I’m far from the first to think of this. Several people — perhaps inspired by creepy Black Mirror episodes — have tried to fine-tune an LLM on their SMS or WhatsApp history in an effort to create a simulation of themselves.
It's a much older concept than Black Mirror. Ever since Markov chain IRC bots got popularized in the late 90s and early 2000s, people have been trying to train their virtual doppelgängers. I'm sure it won't be long before you can pay to have a post-Mortem ghost of yourself duplicated in a cemetery seance style MMO to perpetually live on and interact with other people who have passed on.
It's a much older concept than Black Mirror. Ever since Markov chain IRC bots got popularized in the late 90s and early 2000s, people have been trying to train their virtual doppelgängers. I'm sure it won't be long before you can pay to have a post-Mortem ghost of yourself duplicated in a cemetery seance style MMO to perpetually live on and interact with other people who have passed on.