You can upload pages to archive.org? Wouldn't that open the door for spam and other abuse? I checked some other site and the Adsense code is not changed by arc

You can upload pages to archive.org? Wouldn't that open the door for spam and other abuse? I checked some other site and the Adsense code is not changed by archive.org. So something is strange. Maybe Gwern experimented with different types of ads and on that page at that time did not use adsense? I do see the adsense code in a snapshot from a year later: http://web.archive.org/web/20160629230243/https://www.gwern.net/Haskell%20Summer%20of%20Code http://web.archive.org/web/20160629230243/https://www.gwern....