Up to date is an evidence based, peer reviewed information source- available via the web, desktop computer, and PDA. With Up To Date, one can answer questions quickly, increase one’s clinical knowledge and improve patient care. Independent studies confirm these benefits. The Up To Date community includes their faculty of over 4000 leading physicians, peer reviewers, and editors and over 360000 users. Their faculty writes topic reviews that include a synthesis of the literature, the latest evidence, and specific recommendations for patient care. Their users provide feedback to the editorial group. The community’s combined efforts result in the most trusted, unbiased medical information available. Up To Date is the largest clinical community in the world dedicated to synthesizing knowledge for clinicians and patients. Every day, clinicians have questions about patient care. Patients have questions about their health as well. Up To Date recruits experts to answer all of these questions. Up To Date covers more than 7700 topics in 15 medical specialties and includes more than 80000 pages of text, graphics, links to Medline abstracts, more than 260000 references, and a drug database. Their physician editors and authors review and update the content continuously. An updated version of Up To Date is released every four months.