It is not yet entirely clear what Google wants to do with this information and knowledge.
Future Vision by Erwin Van Lun on this article
Such a service is useful to us worried consumers. It also fits in the tendency that we as consumers take matters in our own hands more. In the future we’ll be our own specialists and we’ll be able to make our own diagnoses. In combination with the indexation by Google we’ll have no more secrets. Getting turned down on your first job interview, based on your DNA, supermarkets with specific departments for Altzheimer’s patients or insurance companies that decide if you get a policy based on a simple Google search. It seems far away, but with this the first steps have been taken.