The name suggests this as well. "Ban" is to "shadowban" as "blackball" is to "Gr... | Hacker News

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mintplant on March 3, 2017 | parent | context | favorite | on: How Uber Used Secret “Greyball” Tool to Deceive Au...

The name suggests this as well. "Ban" is to "shadowban" as "blackball" is to "Greyball".

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