WebMD Health Corp is a Delaware corporation that was incorporated on May 3, 2005 under the name WebMD Health Holdings, Inc. The Company completed an initial public offering on September 28, 2005. The Company is a provider of health information services to consumers, physicians and other healthcare professionals, employers and health plans through its public and private online portals and health-focused publications. Its public portals for consumers enable them to obtain health and wellness information including information on specific diseases or conditions, check symptoms, locate physicians, store individual healthcare information, receive periodic e-newsletters on topics of individual interest and participate in online communities with peers and experts. The Company's public portals for physicians and healthcare professionals make it easier for them to access clinical reference sources, stay abreast of the latest clinical information, learn about new treatment options, earn continuing medical education credit and communicate with peers. The Company generates revenue from its public portals mainly through the sale of advertising and sponsorship products, including CME services. The sponsors and advertisers of its public portals include pharmaceutical, biotechnology, and medical device and consumer products companies. The Company's private portals enable employers and health plans to provide its employees and members with access to personalized health and benefit information and decision-support technology that helps them to make more informed benefit, treatment and provider decisions. In addition, it offers, clients of its private portals, telephonic health coaching services on a per participant basis across an employee or plan population. The Company's sales, marketing and account management personnel work with pharmaceutical, medical device, biotechnology and consumer products companies to place its advertisements and other sponsored products on the Company's public portals and in some of its publications. Customers of WebMD Health Services include employers, such as International Business Machines Corporation, Metropolitan Life Insurance Company, Honda of America, The Kroger Co., Medtronic, Inc., EMC Corporation, Starbucks Corporation, Dell Inc., Walmart Stores, Inc., United Airlines and Hewlett-Packard Company and health plans, such as Wellpoint, Inc., Blue Cross Blue Shield of Alabama, HealthNet, ConnecticutCare, Cigna and Horizon Blue Cross and Blue Shield. The markets it participates in are intensely competitive, continually evolving and might, in some cases, be subject to rapid change. It also competes, in some cases, with joint ventures or other alliances formed by two or more of its competitors or by its competitors with other third parties. The Internet and its associated technologies are subject to government regulation.