Hmm ...
I suspect that historians in the next millennium may well consider the current era as a new "Dark Age", given that almost every piece of data is now held in digital form, and as such is essentially ephemeral.
I was once asked to write a brief history of a company founded in the late nineteenth century. This was a relatively straightforward task as their cellars were stuffed with ledgers recording the minutes of every board meeting and transaction they had held. The problem was mainly deciding what to leave out.
Today we have systems that retain documents only for the length of time they are needed, in some cases this is even a legal requirement. Very little of day to day life is accidentally saved for posterity. Why backup data you no longer need?
Not all written records survive, of course, but it is easy to delete digital records, while old minute books remain in the storeroom. Just try finding that picture you took with your last phone but three* ...
A thousand years from now, archaeologists will be carefully excavating landfill sites trying to find out what 21st Century life was really like. While popular TV programs will show network technicians in overalls oiling rack after rack of diesel powered servers, in their high concrete towers.
* I remember uploading it, just before the cloud company went bust.