There was a gaming message board where someone wrote a browser extension that would back up all topics someone visited in the background while they were reading them. It became important for archiving as much content from those forums as possible as the forum was in the process of shutting down.
https://news.ycombinator.com/item?id=24086570
> I'm the director of Free Law Project. For the case mentioned in the article we actually did a full expert testimony figuring out roughly how much per page it'd cost to run PACER using AWS GovCloud and a handful of other assumptions. It was...half a ten thousandth of a penny per page
https://www.courtlistener.com/docket/4214664/52/15/national-...
https://news.ycombinator.com/item?id=24085158
> Government’s PACER Fees Are Too High, Federal Circuit Says
https://news.bloomberglaw.com/white-collar-and-criminal-law/...