bell notification button

When viewing comments using the notification bell, I can see the comment - but when I come to click on it to reply (the new feature that let's you reply within the notification box) it just comes up with an empty box. I also then try to view it on the YouTube video itself, it's not there. I...

Hi everyone, Hopefully we all know what call-to-actions are, if you don't know what that is, it's basically where you ask or tell viewers to do something during the video. Example: "Before this video starts make sure you drop a like, subscribe-", etc. I wanted to get your opinions on what's...