An overview of healthcare disparities -- Provider factors in healthcare disparities -- Patient factors in healthcare disparities -- Healthcare system factors in healthcare disparities -- The social "nonmedical" determinants of health -- The role of the Internet in American life -- The iHealth revolution -- Digital disparities -- The role of eHealth in patient engagement and quality improvement -- Medical informatics -- Public health informatics -- Beyond traditional paradigms in disparities research -- Health information technology policy perspectives and healthcare disparities -- Disparities and eHealth: achieving the promise and the potential.