Ryan Paul, Ars Technica:
"Mozilla is developing a push notification system for the Firefox Web browser. It will allow users to receive notifications from websites without having to keep those sites open in their browser. The system will also be able to relay push notifications to mobile devices."
It's 2022, every browser should have this.
Web browsers collect a massive amount of our web history data. These options can help with that.
A major source of revenue for Mozilla.