SD is the new floppy

If you need cheap simple removable storage then the SD card is it. It's less complicated that fitting a USB slot to a device and certainly less fiddly than a CD-ROM burner.

As for ZIP drives, they are long dead. It was just one of the replacement floppy technologies.

It does seem they are trying to kill the SD card. To begin with the camera companies all kept coming out with new FLASH card formats. At least that's stopped, now they just keep coming out with new SD card sizes.