Hmm interesting. I tried the EFF site and among other things it told me I'm on "MacIntel".
Gave me a scare, thought I'm still somehow running an x86 build of Firefox.
Both linked in the Sources & Confessions modal at the bottom. Cover Your Tracks is the spiritual ancestor of this whole piece. amiunique is more rigorous; this is the editorial cousin.
Brutally dark site doesn't seem to show much to my eyes. No modal appearing at the bottom.