Apple wants to know if you use protection

""Data about reproductive health is very sensitive, but there are situations where maybe you want someone to know that," said Harlan Yu, principal at Upturn, a technology consulting firm. "You might want your doctor or researchers to know that. But in other situations you might not want drug companies or insurance companies to have that information."

"The way I look at this stuff is I look at harm," said University of Washington law professor Ryan Calo, who specializes in Internet privacy. "Could this information be used in a way that could disadvantage you?""