There are a few companies who are actively tackling these types of challenges. The space is called "Intelligent Document Processing".
Checkout aihub.instabse.com or docsumo.com
7 karma · joined September 4, 2011
Checkout aihub.instabse.com or docsumo.com
Also, do you really think that Dropbox and Airbnb are the only A+ companies? dont you think that companies not worth a billion dolars can still have been successfull in all categories and maybe just didnt have as large of a market to tap into?