Video of ceramic storage system prototype surfaces online — 10,000TB cartridges bombarded with laser rays could become mainstream by 2030, making slow hard drives and tapes obsolete::Ceramics-based storage medium consumes very little energy and lasts more than 5,000 years, creators say
Then a court comes and orders some deletion … :-)
Removal is probably possible by just burning trash over real data. But identifying what needs to be burned. Ouch.