Dumb article. This has been done by advertisers for over a decade now. Look up programmatic advertising and all of the "proprietary" ID systems they've created. This data is freely sold to companies and govt agencies as well.
this post was submitted on 21 Dec 2024
14 points (93.8% liked)
Hacker News
309 readers
350 users here now
RSS Feed of HackerNews
founded 3 months ago
MODERATORS