What Would Survive the Collapse of Our Civilisation?

If our civilisation were to collapse, and we were to enter into another dark age, what would remain after a few hundred years? What about a thousand? When we consider what remains of the ancient civilisations, it’s mainly stone monuments and scarce fragments. Material objects seem to stand the best chance of surviving, which is troublesome since, today, we live most of our lives online. All of that…