Facebook did a *terrible* job at this, with huge slices of its political ads never landing in its transparency portal. We know this because independent researchers at NYU's engineering school built an independent, crowdsourced tracker called #AdObserver, which scraped all the ads volunteers saw and uploaded them to a portal called #AdObservatory.

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#Facebook ha recentemente vietato gli account di diversi ricercatori della New York University (NYU) che gestiscono #AdObserver , un progetto di responsabilità che tiene traccia della disinformazione a pagamento, dalla sua piattaforma
Di Rory #Mir e Cory #Doctorow su #EFF
https://www.eff.org/deeplinks/2021/08/facebooks-attack-research-everyones-problem
Facebook’s Attack on Research is Everyone's Problem

Facebook recently banned the accounts of several New York University (NYU) researchers who run Ad Observer, an accountability project that tracks paid disinformation, from its platform. This has major implications: not just for transparency, but for user autonomy and the fight for interoperable...

Electronic Frontier Foundation
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Wenn Facebook Werbe-Transparenz unterbindet, soll es nicht die eigenen Datenschutzvergehen als Vorwand missbrauchen. Die Aufsichtsbehörde FTC ist "not amused".​
AdObserver: US-Behörde liest Zuckerberg die Leviten​
AdObserver: US-Behörde liest Zuckerberg die Leviten​

Wenn Facebook Werbe-Transparenz unterbindet, soll es nicht die eigenen Datenschutzvergehen als Vorwand missbrauchen. Die Aufsichtsbehörde FTC ist "not amused".​

AdObserver: Facebook will Projekt der New York University unterbinden

Der AdObserver ist eine Erweiterung, die Daten zu politischen Anzeigen auf Facebook sammelt. Das soziale Netzwerk will das Projekt der NY University schließen.