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Why I regret using 23andMe: I gave up my DNA just to find out I’m British | Technology | The Guardian
(www.theguardian.com)
This is a most excellent place for technology news and articles.
The problem is when your data can be connected to you. If you just share it anonymously, it will likely help nobody, except that everyone now knows that some person in the world has this DNA. And has money to get it sequenced.