http://edition.cnn.com/2016/07/20/architecture/britain-pompeii-bronze-age-discovery/index.html
It shows how important it is to leave solid evidence of our existence. Even if we store as much data into computers as we can, nothing will be left, once the computers break down.
On the other hand, 3000 years ago, everyone was able to leave any record only by writing something on stones.
It shows development of technology doesn't always mean development of durability of recording systems.
