[MenhirMike]

> A privacy-friendly solution developed by Firefox

It's actually developed together with Meta/Facebook: https://blog.mozilla.org/en/mozilla/privacy-preserving-attri...

[tutipop]

And the ad company they acquired is also linked to Meta:

> Anonym was founded in 2022 by former Meta executives Brad Smallwood and Graham Mudd.

https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-t...