Also useful for you guys. So you can push announcements or marketing site-wide when you want to.
Would likely have other potential uses going forward as well. Perhaps users can opt in to notifications if their track is liked/downloaded/remixed/extended etc.
The thought was also if you guys did allow us the options of disabling remix / download etc on our tracks then users could also volunterally opt in to be able to receive "extension request" notifications or whatever from users. So they could approve that user and then allow just them to extend off that or whatever.
There's probably numerous use-cases that could come up for it over time.