Christmas cards aren't really a thing in Denmark. Like we don't ever get physical mail. Perhaps one letter once a month or something? Everything goes through our digital mail or email
I'd like to think it won't even be necessary with a save icon as autosave becomes more prevalent. If I'm wrong, one option the icon could be is something like a "snapshot"
It's sort of difficult to provide good "recommendations" without user data.
I guess you could look at recent releases, and let users pick what genre they prefer. But with users play history, playlists, etc available, it becomes a lot easier to create a good recommendation engine
He used to have an is_nice bool but consultants convinced Santa it isn't future proof enough to capture the nuances of kids behaviour in today's world, such as "nice but always is really smug about it". But the consultants kept making PowerPoints instead of updating the backend, so now Santa also has added a new value to behaviour: "consultant-like"
I think caviar is wayyy to expensive... But damn it also tastes good!