I think this could be a fun idea, based on your favorites button.
See this issue
Right now our /popular page only shows 20 results, exactly like
How can we show more old popular posts such that users can navigate using pagination?
Oh, I see! And I just saw your reply appear. 🙂
This plugin seems to be in working order.
You can explicitly follow a topic, perhaps you should also be able to explicitly mute one?
Yeah we're looking into that + sorting replies by most upvotes. Similar concepts I'm assuming if we figure out one the other will be easily sorted out.