The genie is out of the bottle. Personal genomes are not just for Venter and Watson anymore.
Three competing companies, 23andme, Decode, and Navigenics are betting that you want to do a little better than reading your horoscopes and playing with tea leaves. They think that you want to know something about your destiny and take control of your future. And when I look at the 23andme web site, I want it, too. I want it so badly, it makes me drool.
But is it really such an unequivically good thing?
There's been a long-standing debate between companies and at least some scientists and the…