The following links are very old posts by pg, so we can't assume the algorithms stated are still accurate. None the less, they should give you a rough idea of w

The following links are very old posts by pg, so we can't assume the algorithms stated are still accurate. None the less, they should give you a rough idea of what was tweaked to put less weight on time. 2074 days ago https://news.ycombinator.com/item?id=38704 https://news.ycombinator.com/item?id=38704 908 days ago https://news.ycombinator.com/item?id=1781417 https://news.ycombinator.com/item?id=1781417 Also, it's kinda neat to see the progression by comparing the two.