James Beck, PhD VP of Scientific Affairs, has been talking about this for some time. I cannot recall if it was commented on here or in a discussion at the PDF blog site.
Below is the post from yesterday:
http://blog.pdf.org/2013/11/25/genet...ting-it-right/
Jim is a brilliant researcher, yet has a way of explaining difficult concepts through common analogies. He has been on top of this direct-to-consumer genetic testing for some time.
Read his interesting blog entry at the above link
Peggy