> de-identified De-identified but far from useless. as an example, they can remove the names off these sales data, so you can't identify who purchased what it

> de-identified De-identified but far from useless. as an example, they can remove the names off these sales data, so you can't identify who purchased what items. However, the purchaser would be identified by some sort of number, and you would be able to extract information about purchasing habits, and aggregate these habits into usable information for advertising purposes (like targeting and profiling). And that's before AI training for LLM purposes.