E-prescribing is a prescriber's ability to electronically send an accurate, error-free and understandable prescription directly to a pharmacy from the point-of-care. The Medicare Improvements for Patients and Providers Act of 2008 provides incentives for eligible professionals who are "successful e-prescribers". The E-prescribing process has recently experienced significant growth, with E-prescribing message volume doubling between 2007 and 2008 to over 240 million. Knowledge Source's report E-Prescribing Market Overview examines the competitive landscape of the electronic prescription industry. The latest key issues and developments in the market are identified and 40 of the leading market participants in this sector are profiled. Each company profile includes: company background, products and services, and recent activities.