Anybody doing that? You send a cheek swab, and they tell you the history of your y chromosome if you're male and your mitochondrial DNA if you're female... you get to see yourself on the map of human migrations out of Africa. Cool as all get-out. I want in as soon as I can find a donor for the other half of my own ancestry... how about y'all? Interested? Fearful of misuse of the database? Hmmm?