Major problem with it going offline, hence this new tool, which may or may not go offline at some point again. I am sure you could build an extension that polls the HN API every couple of seconds or so to check for replies and have it show a popup when you get a notification as well as send an email.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;HackerNews&#x2F;API" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;HackerNews&#x2F;API</a>