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A comment on Ancestry.com can use your DNA to target ads. Parent comment

Re:Ancestry.com can use your DNA to target ads by a_bonobo on Monday September 07, 2015 @11:34PM (#10184022)
Even if you send it in anonymously, your DNA is so unique to you that by comparing it to other data you can infer at least the last name.

See for example http://www.ncbi.nlm.nih.gov/pubmed/23329047

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Re:Ancestry.com can use your DNA to target ads by pavel_lishin on Tuesday September 08, 2015 @10:42AM (#10185958)
That's a valid concern, actually, my last name is fairly rare, especially in the United States.
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