I don't know for sure, but if you try to get a job at certain places where they require you to get clearance, THEY WILL read your search history, emails etc, and that is. Information collected via online surveillance tells much more about you than your genes. Even from genetic standpoint, there is a thing called epigenetics. Environment affect about half the traits of who you are, so knowing what you eat, who you meet, where you go and so on would actually be quite revealing.