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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.
Archeologists will find these in 1000 years and think it's just nice glass.
Sounds an awful like the Millennium Disc.
Though I guess it has higher capacity and even longer life, but the article doesn't have much details.
Thats not a brag for them if you catch my drift. More like a scaring-off thing