Back to AI Intersections Database

Sâo Paolo Metro System deployed a facial recognition system to monitor reactions to ads.


AI Impact(s)


The Sâo Paolo Metro system set up, without warning, a facial recognition system to monitor mass transit users' reactions to advertising, and put out a bid for instituting facial recognition across the transportation network. In both cases, consumer rights group IDEC sued.

Share Page

Want to suggest an update to the AI Intersections Database?

Help us make this database a robust resource for movement building! We welcome additions, corrections, and updates to actors, issues, AI impacts, justice areas, contact info, and more.

Contribute to the database

Sign Up for News and Updates

Join our Insights email list to stay up-to-date in the fight for a better internet for all.

AI Intersections Database

This website supports Web Monetization

Read more about our implementation

Mozilla is a global non-profit dedicated to putting you in control of your online experience and shaping the future of the web for the public good. Visit us at Most content available under a Creative Commons license.