That is one method. The rest run at the same time, invisibly: the cookie, the tracking pixel, the app SDK, and the fingerprint you saw above, the one thing you cannot clear. There are more than 30 distinct fingerprinting techniques working in Chrome right now, as you read this.
No one stole this data. No system was hacked. It was working exactly as designed. The bidders above are real companies in the ad-auction chain. What they bid on, every time, is you.
— end of slice (scenes 0 · 1 · 3) —
Nothing on this page was sent anywhere. Open DevTools → Network → reload.
The only requests are two fonts. Every reading of you was computed and discarded here.