This should be really helpful at showing me what sites I think I should submit to HN that have already appeared as popular in the past. Really neat plugin, already enjoying looking at sites with it!
I can’t see why it’s a good feature, since upvotes count when something is hot on HN, when it’s not hot you can simply “submit” it and it upvotes for the previous submitter but HN is for discover of new stuff, less for “maintaining point of interest” for that btw you can try kifi.com