This experiment has gone so well, we're rolling it out to everyone on desktop!
When you scroll down on the YouTube home page, you may see the "From your subscriptions" row of videos. Head over to the Subscriptions tab to see all videos from your subscriptions.https://twitter.com/TeamYouTube/status/1029107269668024323 …
Could you try an experiment where the bell actually notifies people? I know, I know, it sounds crazy. But it might just be crazy enough to work.