Imagine training a GPT on your own whatsapp/fb/instagram/linked/emails conversations: all the conversations, posts. A huge part of our life is already happening online, and the conversations with it. It is not too much work to simply take that data and retrain GPT.
i initially tried to download a bunch of my reddit comments and try to get it to write "in my style" but i think i need to actually go through the fine tuning process to do that well.