With no control by readers (beyond tracking protection which relatively few know how to use, and for which there is no one approach, standard or experience), and no blood valving by the publishers who bare those readers’ necks, who knows what the hell actually happens to the data?
Answer: nobody can, because the whole adtech “ecosystem” is a four-dimensional shell game with hundreds of players…
Link to full post: https://blogs.harvard.edu/doc/2018/03/23/nothing/