How Did You Land On The Idea Of Mental Models?

There seemed to be a lot of mental models for investing or operating companies, but they didn't seem to apply to start ups. So i looked at companies that we should have invested in, like aroby and b, and we passed on it. And none of those mental models would have been helpful. Had i invested tutor thousand dollars in ar b and b at the time, it'd now be worth a billion dollars. Then there's other companies that we did decide to invest in, twitter, twitch, octa, lift. Well, octa was called sasher. Twitter didn't know what to call itself. Twitch was justan dot t v, and so lift was z