For example, there was the tool to automatically remove your information from scummy data brokers, that they outsourced to a scummy data-broker:
https://www.theverge.com/2024/3/22/24109116/mozilla-ends-onerep-data-removal-partnership
And there's the "Privacy Preserving Attribution" tracking system that helps advertisers target you with surveillance advertising (in a way that's less invasive than existing techniques).
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