Hacker News
- Tracking users via CSS https://underjord.io/is-this-evil.html 116 comments
- Tracking Users with CSS (2018) https://www.templarbit.com/blog/2018/03/20/tracking-users-with-css/ 16 comments
- Tracking Users with CSS https://www.templarbit.com/blog/2018/03/20/tracking-users-with-css 3 comments
- Show HN: Track user activity with CSS (php) https://github.com/Bogdaan/spycss 3 comments