> I would assume so. It's sort of a catch 22 because if they delete your data, they have no way of knowing about you when they buy another batch of data. To have some sort of no track list, they have to keep your data.
They could store a normalised, hashed version of your data and use it to filter any incoming datasets. But, of course, why would they?
They could store a normalised, hashed version of your data and use it to filter any incoming datasets. But, of course, why would they?