These cards are small and have the capability of being loaded into a floppy adapter. Smart Media cards are available up to 64 MB sizes which will store hundreds of images. Agfa just announced that they are dropping Smart Media in favor of Compact Flash. These cards are larger and more durable than Smart Media cards. Has adapters for card readers.
Cards cost more than other formats.
64 MB cards have been announced, but not shipped. That translates into more than 400 1600x1200 images. But cost per MB is reasonable. The downside is you need a Clik Drive reader that is fairly expensive. Super Drive Another breakthrough.