June 2, 2026

Your browser’s new side hustle

The advertising cartel coming to your web browser

Big Tech says it’s privacy — commenters say it smells like browser-built ad spying

TLDR: Big Tech wants browsers to include a built-in system for measuring whether ads lead to sales, and critics say that gives giant platforms even more power. Commenters were split between calling it creepy ad tracking in disguise, and mocking the article as ad-industry panic dressed up as privacy concern.

The big pitch here is simple: Meta, Google, Apple, and Mozilla are backing a browser feature that helps ads track what worked — basically, whether seeing an ad led to a purchase later. The article frames it like a giant foxes-guarding-the-henhouse moment: when the same companies people already side-eye on privacy suddenly unite around a "privacy" tool, alarms start ringing. The author argues this would give built-in advantages to giant platforms like search, social media, and app stores, while making ordinary websites and smaller ad players lose out.

But the real fireworks were in the comments, where readers immediately split into camps. One group basically said, wait, what’s new here? Several commenters argued the piece never clearly proves the proposed system is worse than today’s messy ad world. Another camp was far more savage, accusing the author of sounding less like a privacy crusader and more like an ad industry insider upset that the new setup could hurt smaller marketing outfits. One especially sharp jab translated the whole article as: “Reject this, or we’ll just track you even harder.” Ouch.

The funniest drag came from the crowd calling this thing “cookies, but only for advertisers,” which is the kind of joke that lands because it also feels uncomfortably plausible. Others were surprisingly calm, saying a rare Big Tech consensus can sometimes be a good sign. So yes: the proposal is controversial — but the comments turned it into a full-on cage match over whether this is a privacy nightmare, a boring reshuffle of ad power, or just the same old tracking drama wearing a cleaner outfit.

Key Points

  • The article says Meta, Google, Apple, and Mozilla are developing Attribution Level 1 as a browser-based advertising measurement standard.
  • According to the article, the proposal measures ad effectiveness by connecting recorded ad impressions with later conversions.
  • The article notes that the linked proposal does not include sections on permissions, consent, opt-out of sale, or objections to processing.
  • The article explains that the system records ad impressions in the browser, generates conversion reports after purchases, and sends them to a centralized aggregation service for aggregated results.
  • The article argues that the proposal would advantage search, social, and app store advertising and could create incentives for additional tracking practices.

Hottest takes

"reinvented HTTP cookies but with only advertisers" — AndrewKemendo
"This proposal hurts us, small advertisement networks and professional marketers" — theamk
"I’m not sure what this blog is complaining about" — gruez
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