EarthLink (R) Incorporated, based in Atlanta, Georgia, is an ISP that offers dialup, broadband, Web hosting, and other services to over 5 million subscribers. The firm's EarthLink Protection PackPLUS (TM) suite, introduced in 2004, provides subscribers with data security tools. The company also provides customers with the Spyware Blocker, ScamBlocker (TM) anti-phishing, and SpyAudit applications. The firm introduced voice over IP (VoIP) services in 2005. EarthLink truVoice (SM) can be accessed by high-speed access subscribers. The service is part of the EarthLink Unlimited Voice program, launched in 2004. In 2005, EarthLink began implementing the largest municipal Wi-Fi broadband network in the United States. The project, conducted for a regional wireless telecommunications firm, will provide wireless service subscribers in the Philadelphia area with 1Mbps Web access connections. Also in 2005, EarthLink and Korea's SK Telecom, established the SK-EarthLink joint venture, which focuses on marketing wireless voice and data services in the United States. The joint venture has been funded with $440 million in partner investments. EarthLink is listed on NASDAQ. SK-Telecom is listed on the New York Stock Exchange under the SKM symbol. EarthLink has won recognition from 'PC Magazine.' The firm is a member of the Global Internet Alliance, established in 2000, which addresses global roaming, customer data privacy, and standards development issues.