A user interface issue indeed. I suppose the best we have for now is Googling within the domain, and adding comments with links to previous discussions if we remember any.
Guess I'll try that. I just missed reading that article. Would be nice if pg added a simple google search box hack with something like site:news.ycombinator to do this automatically. Certainly kill this problem. Wonder how regular google indexes the site? Because even then, as new stuff is added the lag in crawling & indexing the problem persists.