Marketing Sherpa
An expert source for online marketing resources, marketing articles, online seminars, case studies conferences and events for Marketing Professionals
www.marketingsherpa.com

BNET
At BNET, managers find practical, trusted resources for the business challenges they face every day and effective techniques for moving their companies and careers forward.
www.bnet.com

Marketing Profs
An exceptional resource that publishes useful news, case studies, and best practices data about internet and integrated marketing
www.marketingprofs.com