Marketing Profs One source for online marketing resources, marketing articles, online seminars, case studies, conferences and events for Marketing Professionals. www.marketingprofs.com

Marketing Professor  Internet marketing, strategies, tips, and product reviews that help entrepreneurs, and small businesses make money online. www.marketingprofessor.com

MarketingVOX  For professionals concerned with internet marketing. www.marketingvox.com

American Marketing Association  Dedicated to serving the educational and professional needs of marketing executives. www.marketingpower.com 

eMarketer Internet market statistics, news and reports. Focus on comparing its market data results with those published by other well-known consulting groups.  www.emarketer.com

comScore Marketing research company that provides marketing data and services to many of the Internet's largest businesses. www.comscore.com

Nielsen/NetRatings Provides internet audience measurement products and services which enable customers to accurately track and analyze internet audience behavior. www.netratings.com

ClickZ Expert advice about Internet marketing, email, brand and interactive marketing, and search engine marketing. Read the latest Internet advertising news, e-commerce market research, Int  www.clickz.com

Marketing Terms  Marketing and internet marketing terms, acronyms, course syllabi, and recommended links www.marketingterms.com 

Internet Marketing Center  Tips and strategies for promoting a business online. www.marketingtips.com  

BtoBOnline Online magazine for marketing strategists. Provides current news and techniques for web marketers. www.btobonline.com

InternetNews provides real-time news updated throughout the business day, covering IT issues and Internet-related technologies  www.internetnews.com

KnowThis  A virtual library containing information, resources, and reference for professionals, academics and students in traditional and internet marketing, and advertising. www.knowthis.com