Hacker News has been one of the places with high signal-to-noise ratio for discussions, for me. The majority of its contents is tech-related, although different topics do show up from time to time.
The “What Hacker News Says” browser extension (available for Firefox and Chrome/Chromium browsers) is a pretty cool thing that helps with a particular use case: has there been any discussion in Hacker News about this particular webpage I’m currently opening?
Pretty cool! And, yes, I found the news about it from Hacker News.