When IBM introduced the floppy disk in 1971, the name described exactly what visitors would have felt in their hands. The original measured eight inches across and was genuinely floppy, a thin square that bent under its own weight. That literalness did not last. The rigid 3.5-inch shell arrived later, hard-cased and unbending, and by then the word floppy had stopped describing anything you could see. The name had already loosened from the object.

What the disk carried shrank as its casing firmed. The final common format held 1.44 megabytes, which sounds like a great deal until you set it beside a single photograph from a modern phone, roughly twice that size. An entire disk, then, amounts to about half of one picture you would take today without a second thought. This was the workhorse capacity of an era, and it was already vanishingly small by the standards of the one that followed.

The disk itself stopped shipping. Factories closed, drives disappeared from new machines, and a generation grew up who never slid one into a slot or felt the mechanism catch. And yet the shape refused to leave. Its silhouette, that little square with the sliding shutter, still means save in nearly every piece of software written since. People tap it, click it, trust it, without ever having held the thing it depicts. The icon has become pure convention, a gesture toward an object most users would not recognise on a shelf. It is a small monument to how technology leaves its ghosts behind: the machine goes, the habit stays, and the picture keeps working long after the thing it pictured has been quietly retired from the world.