Do you know that funky-looking square icon you click at the top of your toolbar when you want to save a document? That's not some random hieroglyphic. That's a floppy disk, and it wasn't that long ago ...

When Mark Necaise got down to his last four floppy disks at a rodeo in Mississippi in February, he started to worry. Necaise travels to horse shows around the state, offering custom embroidery on ...