"Health data that will soon be stored on iOS 8-powered devices could be a gold mine for ad networks, but Apple has made it off limits for now," so begins the article recommended by David Passell. He reiterates, "No, developers will not be allowed to sell your health data for targeted advertising. Read about it here. David adds, "ZDnet includes a 'more' link. This takes you to a lot of other sharing sites and email is at the top. You are not limited to Facebook, Twitter, and 'inShare' (whatever that is).