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tech 3 June 2026

The Advertising Cartel Coming to Your Web Browser

Meta, Google, and Apple are joining forces to integrate a new advertising measurement feature in web browsers. What are the implications for privacy and the advertising industry?

Article inspired by the original source
The advertising cartel coming to your web browser ↗ blog.zgp.org

Introduction

When Meta, Google, and Apple team up on a "privacy" feature, it's time to be cautious. These tech giants, along with Mozilla, are developing an advertising measurement system integrated into browsers, called Attribution Level 1. This system aims to correlate "impressions" (occasions where an ad is viewed) with "conversions" (purchases made). However, as you might expect, user privacy isn't really at the forefront of their concerns.

A Two-Track System

The proposed API by these companies lacks sections on permissions or consent. There's also nothing about "opting out of sale" or "objections to processing." Essentially, the system is designed to favor browser-integrated advertising platforms, leaving other players to deal with privacy regulation hassles.

The Inevitable Consequences

This system strengthens the competitive advantage of ads on search engines, social media, and app stores. These platforms, often owned by the same companies, will capture an even larger market share, to the detriment of legitimate sites and other ad-supported resources.

Incentives for Riskier Tracking

By obfuscating the source of a sale, the system facilitates tracking practices that would otherwise be considered problematic. The stated goal of the API is to make cross-site recognition impossible, but the reality is that the system can still be manipulated to track users.

Why Are Big Companies Excited About This?

Companies that have built their business models on user tracking see this system as an opportunity to strengthen their grip. Even if an ad script records an impression, the browser keeps a record of all ads seen on visited sites. When a purchase is made, the retail site can request a "conversion report" that will be aggregated but not fully anonymized.

What Can You Do?

For tech decision-makers and entrepreneurs, staying informed and preparing for a constantly evolving advertising environment is key. Make sure your marketing strategies take these new dynamics into account and remain compliant with privacy regulations.

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