The mobile health revolution has been discussed in this column on previous occasions. While it is a cliché to note that people had better start taking ownership of their own health, the tools of mHealth, as it is now called, will prove invaluable to achieve this goal. Two years ago, at a summit on mHealth organized by the FCC, the term “mobile health” was expanded to include wireless health and e-Care technologies that improve patient care and the efficiency of health care delivery. “e-Care” is the electronic exchange of information—data, images and video—to aid in the practice of medicine and...