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September 15, 2017

Facebook allowed advertisers to target anti-Semites

by John_A

As yet another proof that the Facebook ad network algorithm needs a lot of work, ProPublica has discovered that it allowed advertisers to target anti-Semites. When you buy ads on Facebook, the system prompts you to add targeted categories, which the algorithm takes from real keywords or phrases people use on their profiles. Well, ProPublica has proven that the ad network recognizes anti-Semitic sentiments from users’ profiles as valid ad categories, including “Jew hater,” “How to burn jews,” “Nazi Party,” “Hitler did nothing wrong” and “German Schutzstaffel.” Since the algorithm handles ad purchases from start to finish with no human input, ProPublica was able to get the anti-Semitic ads it purchased for its investigation approved within 15 minutes.

Earlier this month, Facebook admitted that its algorithm approved $100,000 worth of ads that point to fake news pages between June 2015 and May 2017. After some internal investigation, the company found that both the accounts that purchased the ads and the pages they advertised were from Russia, suggesting that there’s a fake news circle operating out of the country. As a result, Facebook trained its algorithm to be better at blocking ads pointing to fake news, but whatever improvements it implemented clearly weren’t enough.

The social network removed the anti-Semitic categories ProPublica found after the publication told the company about it. Rob Leathern, the company’s product management director, said in a statement:

“We don’t allow hate speech on Facebook. Our community standards strictly prohibit attacking people based on their protected characteristics, including religion, and we prohibit advertisers from discriminating against people based on religion and other attributes. However, there are times where content is surfaced on our platform that violates our standards. In this case, we’ve removed the associated targeting fields in question. We know we have more work to do, so we’re also building new guardrails in our product and review processes to prevent other issues like this from happening in the future.”

Facebook has a lot “more work to do” indeed, because a follow-up investigation by Slate shows that its algorithm also recognizes “Kill Muslimic Radicals” and “Ku-Klux-Klan” as valid ad categories.

Source: ProPublica

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