Linked – How DNA Databases Violate Everyone’s Privacy
This seems less than ideal.
“If you’re an American of European descent, there’s a 60% chance you can be uniquely identified by public information in DNA databases. This is not information that you have made public; this is information your relatives have made public.”
There are links on Bruce’s post to a more detailed article and the research paper. If the headline bothers you, go check them out too.