simple article. It admits that the exact longevity is unknown still because of actual lime passage, but these things have a life span and degradation point.
To assume a recorded media doesnt have a degradation point will eventually cost you some data.
https://www.cdrom2go.com/blog/longevity-of-dvd-discs-vs-blu-ray-discs
and not that wikipedia is to be 100% trusted... https://en.wikipedia.org/wiki/Disc_rot
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