This isn’t because Google knowingly treated the names differently, but because searchers were more likely to click on criminal justice ads when searching for black names.
Your Data is Being Manipulated
danah boyd

The outcome is definitely undesirable, and this mechanism is important and far from unimaginable, but in writing on this area we discovered this common “war story” is not a result of this, but of explicit lists of racially-correlated names being explicitly provided to Google by advertisers as keywords.

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