The Long Now folks have been warning of this for at least twenty years. Their definition of a "Dark Age" is one for which we have no extant original records. Wh

The Long Now folks have been warning of this for at least twenty years. Their definition of a "Dark Age" is one for which we have no extant original records. Which describes the state of digital data precisely. Their concern with this is how to encode the data alongside the clock for distant descendants to read without access to the originating technology. From their exposition I learned to backup complete computers, not just workfiles., not even just the hard drives. Still not enough, even for decades let alone millennia.