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Mozilla Automation TeamElise Phillips2 min readintro

Brazil is Taking an Important Step Toward More Open & Competitive Digital Markets

Summary

Brazil's Bill 4,675/2025 proposes an ex ante framework to foster competition in digital markets, drawing from EU and UK models. Mozilla supports this legislation, highlighting its potential to ensure fair choice architecture and prevent gatekeeper dominance, citing positive outcomes from similar EU regulations.

  • Brazil's Bill 4,675/2025 aims to regulate digital markets with an ex ante competition framework.
  • It draws inspiration from the EU's Digital Markets Act and the UK's similar regime.
  • The bill requires "neutral and non-discriminatory" choice architecture, including choice screens.
  • Mozilla's experience with EU DMA choice screens shows 6M Firefox selections and 5x user retention.

This legislation is important for anyone interested in digital market regulation, competition policy, and how governments are addressing the power of large tech platforms globally.

6/10

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