if you have the brakka 2 gene for breast cancer, many women will choose to have masectomies. if you have an a4 gene, you're at risk for alzheimer's. there are other diseases. in terms of disclosure to potential potential spouses, it depends on the honesty and the nature of the relationship, but if i was that person's intended to be, i would want to know that. you couldn't have been talking about things like this until just in the past couple of years >>> presumably, in coming years there will be even more things that we can have that conversation about. >> absolutely. so one of the goals in genomics is to get the $100 genone where we can get this deep level sequencing on all people for $100. once that happens, then you will see the ball game will be completely different. everyone will have direct access to very high quality genomic information >>> it's not necessarily information that's actionable. if i find out as my brother did 23 and me and found a family pre-disposition to menier's syndrome, which leads to deafness down the road, it's not something that you can do anythin