Everyone is speculating here on what may or may not happen. There are pros and cons to any media type. I think you should make 2 copies in each media put them all in and check in 25 years to see which one wins.
Flash (chose any connector, or use multiple)
HDD (ditto for connectors)
CD
DVD
Blu-Ray
Floppy (both 5.25" and 3.5")
others?
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Everyone is speculating here on what may or may not happen. There are pros and cons to any media type. I think you should make 2 copies in each media put them all in and check in 25 years to see which one wins. Flash (chose any connector, or use multiple) HDD (ditto for connectors) CD DVD Blu-Ray Floppy (both 5.25" and 3.5") others?