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Gosh, comments like these from the actual author are a reminder of why I love HN. :)

• barosl 5y ago
  I'm also amazed by the fact that that John Nagle from the popular Nagle's algorithm is still active on HN!
  • viraptor 5y ago
    There are lots of known people on HN. I started tagging HN usernames with a browser extension some time ago and sometimes I spot some really interesting exchanges given the context of what the posters worked on.
    • agbell 5y ago
      I'd like to more about this. Can I use this?
      • viraptor 5y ago
        Search for HN username tagging extension. There's quite a few options available.
        • einpoklum 5y ago
          Is this collaborative? That is, can one benefit from other people's tagging?