The advertising cartel coming to your web browser

# Summary Meta, Google, Apple, and Mozilla are developing Attribution Level 1, a built-in browser advertising measurement system that tracks ad impressions and conversions without meaningful user consent or opt-out options. The system creates a two-tier structure favoring Big Tech's own ads while requiring stricter privacy compliance from competitors, ultimately concentrating ad revenue among large platforms and incentivizing riskier tracking practices despite claims of privacy preservation.