I'm not sure how "untold" you'd like it to be, but I found some pages that is fairly precise on this very topic. https://bullet.so/blog/history-of-notion-every

I'm not sure how "untold" you'd like it to be, but I found some pages that is fairly precise on this very topic. https://bullet.so/blog/history-of-notion-everything-from-users-funding-and-more/ https://bullet.so/blog/history-of-notion-everything-from-use...