He believes that what is more likely to happen in reality is for the device to calculate the measurements and then ask a nurse for permission for it to administer them.

CNN: Device to save hospitals billions

According to people familiar with the matter, Apple would ask consumers who subscribe to an iPad version of a magazine or newspaper for permission to share personal information about them, like their name and email address, with the publisher.

WSJ: Google Digital Newsstand Aims to Muscle In on Apple