A good introduction to that topic is About Enhanced CPC: https://support.google.com/google-ads/answer/2464964 https://support.google.com/google-ads/answer/24649

A good introduction to that topic is About Enhanced CPC: https://support.google.com/google-ads/answer/2464964 https://support.google.com/google-ads/answer/2464964 "ECPC works by automatically adjusting your manual bids for clicks that seem more or less likely to lead to a sale or conversion on your website" Of course, it is based on historical data But you end up having a quite complicated code calculating the auction bid. I doubt that you could code it easily based on a cursory reading of the About Enhanced CPC page. Even more futile is guessing what specific details of that code function that project Bernanke optimized, if your only source is the lawsuit doc and newspapers relating it