Under DROP, you fill in some paperwork and then the state requires every data brokerage operating in California to delete your data, as well as any inferences they've made about you based on that data:
www.eff.org/deeplinks/20...
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eff.org
Protect Your Privacy with California's DROP Tool
Are you a California resident? Then we've got exciting news for you: there's a tool just for you that lets you take a single, relatively easy step to protect your privacy. It's called a DROP request. ...