Originally Posted by railwayman3
as I say in the blog -- a major advantage of film for long-term storage is that the technology to read it is pretty simple -- light and a lens. Just about any society with moderate machining and optical infrastructure can duplicate it, even if they have no initial idea what they need to build.
Rebuilding an iOmega ZIP drive is another matter -- not to mention the software to read the files. That's where the huge costs come in -- constantly updating and migrating files, not physical storage.