There is such a thing as 5d memory storage, which I understand basically uses etched glass and is thus super mega stable, although I'm not too sure about the co

There is such a thing as 5d memory storage, which I understand basically uses etched glass and is thus super mega stable, although I'm not too sure about the costs involved in heavy use for things like day to day archiving https://en.m.wikipedia.org/wiki/5D_optical_data_storage https://en.m.wikipedia.org/wiki/5D_optical_data_storage