Thanks to digital tools, media, and networks, recording is easy, cheap, and often automatic. ... Evidence of even the most trivial of events and thoughts, communicated through texts, posts, status updates, and tweets, is retained in the data centers of the companies that operate popular Internet sites and services.
We live, it seems, in a golden age of documentation.
The problem stems from the fact that, with digital recordings, we don't only have to preserve the data itself; we have to preserve the devices and techniques used to read the data and output it in a form we can understand.
We all know what happened to the library of Alexandria.