Most people have at least a vague sense that someone somewhere is doing mischief with the data footprints created by their online activities: Maybe their use of an app is allowing that company to build a profile of their habits, or maybe they keep getting followed by creepy ads.
It’s more than a feeling. Many companies in the health tech sector — which provides services that range from mental health counseling to shipping attention-deficit/hyperactivity disorder pills through the mail — have shockingly leaky privacy practices.
