Funny you should ask that. Because in 1986, the hilarious answer the BBC came up with was 2 Videodiscs, which were obsolete almost as soon as they were introduc

Funny you should ask that. Because in 1986, the hilarious answer the BBC came up with was 2 Videodiscs, which were obsolete almost as soon as they were introduced: https://atsf.co.uk/dottext/domesday.html https://atsf.co.uk/dottext/domesday.html The latest way to preserve the content from those disks, since nobody can read them any more, is on the internet, so perhaps the OP is on to something - perhaps the internet will survive 500 years in some form, given its obvious utility.