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by andrewreds 5127 days ago
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