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Next-gen optical disk can store over 14,000 4k movies
(www.digitaltrends.com)
This is a most excellent place for technology news and articles.
These would be great for backups if they're cheap enough.
How great would it be to include a Case Logic binder in a safety deposit box.
It would also be cool to see a comeback of those old optical disc overlay file systems that let you treat the file system on read-only media as if it was mutable.
It would certainly be a fun challenge to design a modern file system on top of append only media.
With that said, I'm very concerned about cost. It's hard to imagine this seeing mass adoption.