How do you do? <a href="http://sandiegoquitsmokinghypnotherapy.com/stephenspharmacycom-fd9f.pdf">stephenspharmacy.com</a> The agency said that, based on industry estimates, 500 million smartphone users worldwide will be using a health care application by 2015; by 2018, 50 percent of the more than 3.4 billion smartphone and tablet users will have downloaded mobile health applications. These users include health care professionals, consumers, and patients.