Reading through this thread reminds me that data preservation is a serious problem, one that only becomes more pressing as time moves on. Makes me shudder to think of all the games, source code, assets and also music, movies and whatnot we have already lost to bitrot or ill handled preservation measures.
Even unreleased games, prototypes and things like that waste away because people fail to make proper backups, whatever the reasons.
Heck, even the internet looses things regularly.
I wonder if glass or maybe bacteria as a backup medium is the future?
Sorry if I'm being off topic, this just came to my mind.