re #1, could this be solved with an exponential decay? aka, saying that a click from 1 month ago is less valuable than someone clicking today. By tweaking th

re #1, could this be solved with an exponential decay? aka, saying that a click from 1 month ago is less valuable than someone clicking today. By tweaking the decay you could change how quickly the algorithm will sway when the conversion rate changes. EDIT: I just saw that rauljara suggested this below: https://news.ycombinator.com/item?id=4040230 https://news.ycombinator.com/item?id=4040230