https://www.sciencenews.org/article/dna-used-rewritable-data-storage-cells
Genetically encoded memory could track cell division inside the body.
data storagednausedrewritablecells
https://www.usitc.gov/fed_reg_notices/section_337_notices/certain_recordable_compact_discs_and_rewritable_011706.htm
The United States International Trade Commission is an independent, nonpartisan, quasi-judicial federal agency that fulfills a range of trade-related mandates....
compact discsunited statescertainrecordablerewritable