Genetic testing is an inexact science with real consequences

"And companies are popping up every day, promising to use your DNA for everything from figuring out what wine or marijuana varietals your genetics predispose you to, to what skin care regimen is best for you, according to Jennifer King, director of consumer privacy at Stanford Law School’s Center for Internet and Society.

“23andMe could decide that they want to use genetic data for ad targeting. They could potentially give a list of customers to Johnson & Johnson,” King told Recode. “It would be a change, but they could do it.”"