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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.
Title is misleading, FTA:
But also:
Those results often can't narrow down to exact countries so it says he's 63% British and Irish. Seeing as his fathers family has records of being from a small Irish town it's likely he's more Irish that British, not that it means anything if you're actually American anyway.