New York, NY June 5, 2008 -- Email Data Source, Inc. (www.emaildatasource.com), the leading provider of email competitive intelligence, announced today that it now monitors the email marketing activity of all companies on the Internet Retailer 500 list.

"Internet retailers depend heavily on email to drive online sales. It is critical for them to have knowledge of best practices and gain competitive intelligence in designing and implementing their marketing efforts," said Bill McCloskey, Chairman and Chief Evangelist for Email Data Source. "Completing our coverage of the Internet Retailer 500 is another step towards our goal of providing marketers with the most complete and comprehensive picture of the email landscape possible."

Email Data Source currently tracks over 36,000 companies across 230 market sectors and monitors in-house marketing campaigns as well as secondary sources such as affiliate networks, newsletters and email publications. Five of the top 20 Internet Retailers use Email Data Source's tool Email AnalystTM to monitor the email activity of competitors, partners and other third parties.

About Email Data Source, Inc.:
Based in New York City, Email Data Source collects, analyzes, organizes and archives millions of email marketing messages, providing competitive intelligence and analytics to the email marketing community. The company has provided email marketing data as well as actionable insights and intelligence since 2003. Email AnalystTM, the company's core product, monitors the world of email marketing for advertising agencies, brand marketers, direct marketers and their affiliates and vendors. For more information please visit:www.emaildatasource.com

Contact:
Email Data Source
212 514-8900