Searches the comments for the current tab's url
Different communities discuss things differently. Different ideas, different tone, different experiences. Use it to expand your learning starting from one link.
Or maybe you've found an article you'd like to share. Use this extension to see if it's already been posted.
When you visit an website, the extension takes the URL and searches if it's been posted on HackerNews or Reddit. If it finds any results, it shows a badge over the icon of the extension. Clicking on the icon opens the list of results and you can click on them to visit the submission page.