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Microsoft develops ultra durable glass plates that can store several TBs of data for 10000 years
(unlocked.microsoft.com)
This is a most excellent place for technology news and articles.
Would you eventually be able to get data printed and have the plates sent to you, so you can store them yourself in a safe place?
This would be a great option for preserving the source media for films and videos, for example. Not just the finished product, but every take etc.
Data is data, you could store anything there. The question is if this would eventually reach some sort of consumer market. By the looks of it it's in a very early stage (where all equipment to read and write is still in RnD phase) so it's not where you can have a sata cable attached to it in your pc.