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Across the FieldWhy Facebook's Ad Platform shouldn't be fully immunized by Section 230
Amicus Brief in Liapes v. Facebook
Aaron Rieke, Natasha Duarte, and Logan Koepke
Amicus briefWe filed a legal brief in Liapes v. Facebook arguing that Section 230 should not fully immunize Facebook’s Ad Platform from liability under a California antidiscrimination law. We describe how Facebook itself, independently of its advertisers, participates in the targeting and delivery of insurance ads based on gender and age.
Related Work
This brief argues that the Computer Fraud and Abuse Act should not criminalize violations of computer use policies, like terms of service.
Across the FieldWe filed a legal brief arguing that Section 230 should not fully immunize Facebook’s Ad Platform from liability under California and D.C. law prohibiting discrimination. We describe how Facebook itself, independently of its advertisers, participates in the targeting and delivery of financial services ads based on gender and age.
Across the FieldOur empirical research showed that Facebook’s “Special Audiences” ad targeting tool can reflect demographic biases. We provide experimental proof that removing demographic features from a real-world algorithmic system’s inputs can fail to prevent biased outputs.
Across the FieldOur empirical research showed that Facebook’s ad delivery algorithms effectively differentiate the price of reaching a user based on their inferred political alignment with the advertised content, inhibiting political campaigns’ ability to reach voters with diverse political views.
Across the Field