The exploding number of healthcare apps ready for download on smartphones and tablets is impressive and shows no sign of letting up. But the real story of their potential impact is far more than a case of raw numbers. Longer term, mobile apps will have a profound effect on the management of chronic diseases and population health. The key is more meaningful and timely communication between doctor and patient. Two examples at Mount Sinai Medical Center in New York illustrate how apps are being used now to expand the scope and quality of care for existing patients
