The floppy - sure, that's obsolete. With what should it be replaced that's universally recognised? Does your youngest need to know it's a floppy, and what that

The floppy - sure, that's obsolete. With what should it be replaced that's universally recognised? Does your youngest need to know it's a floppy, and what that once meant, or just it's the funny icon for save? Just like some of the other indecipherable "universal" icons. The trouble with flat design is it had design without any aesthetics, so a return to some depth and skeuomorphism isn't likely to lose aesthetics.