we’ll effectively “clone” ourselves by training various AIs on our writing and data to create a generalized copilot-style product that can be used for anything. you ask it questions, bounce ideas, and it responds with something a) deeply personalized to you and b) what it thinks you might say. 

has anyone built 

Yes, and our AI assistant will read/train on all the content we look at through the day, blog / websites / images. We will be able to ask it question like "What was the website that had a picture of a dog dancing"