"More than 10 years ago, Meta introduced a snippet of code called the “Meta pixel,” which has since been embedded on about 20% of the most trafficked websites. While these pixels are well-known, and can be blocked by tools like EFF’s Privacy Badger, researchers discovered another way these pixels were being used to track you:"Protect Yourself From Meta’s Latest Attack on Privacy https://www.eff.org/deeplinks/2025/06/protect-yourself-metas-latest-attack-privacy