This add-on has user-blocking, but the UI could use improvements (have clickable blocking instead of copy&paste, and make the rest of the UI non-visible). http

This add-on has user-blocking, but the UI could use improvements (have clickable blocking instead of copy&paste, and make the rest of the UI non-visible). https://addons.mozilla.org/en-US/firefox/addon/hackernews-userscript/ https://addons.mozilla.org/en-US/firefox/addon/hackernews-us...