[csense]

Good point. In 100 years maybe physical floppy disks will be long-forgotten by everyone but museums and historians, but the icon will still be in everyday use.

And maybe the icon will change over time. As the public's consciousness of physical floppies dies away, maybe designers will feel freer to use a more stylized representation, like the Voicemail icon's representation of a...telephone handset? Cassette tape?

[epylar]

It's the tape inside a cassette. Like the old answering machines.