JAMAevidence leverages the content of the Users' Guides to the Medical Literature, 2nd ed., and The Rational Clinical Examination electronic books with added tools that map key evidence-based medicine topics for use in educational settings. Includes media-rich features such as calculators, and question wizards. Allows downloadable and customizable PowerPoint slides for teaching and learning and includes live links to subscribed full-text AMA journal resources. App information: From a nonmobile computer, under the red "My JAMAevidence" box, create a personal profile. Use that username and password to log in to the mobile version at http://m.jamaevidence.com>. More information at: http://m.jamaevidence.com/public/about.