AdBumb
Weekly insider newsletter covering the online advertising sector.
http://www.adbumb.com/
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B2BMarketingBiz.com
Practical news & tips for marketing to businesses on the internet
http://www.b2bmarketingbiz.com/
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BToBOnline.com
A magazine for marketing and ecommerce strategists, covering online marketing news, research and analysis.
http://www.btobonline.com/
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Clickz
Includes columns with commentary and analysis on a wide variety of internet marketing subjects ranging from B2B marketing to search engine marketing.
http://www.clickz.com/
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Donrey Media Group
Primarily involved in newspaper publishing and outdoor advertising.
http://www.donrey.com/
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ICONOCAST
A source for facts, figures, trend analysis and insider information in the Internet marketing industry.
http://www.iconocast.com/
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iMedia Connection
News and features covering the online marketing sector
http://www.imediaconnection.com/
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Internet Retailer
Industry strategies for online merchants. Provides daily news, articles and research.
http://www.internetretailer.com/
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MarketingProfs.com
Marketing knowhow from professionals. Newsletter, articles and how-to's.
http://www.marketingprofs.com/
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MarketingSherpa.com
Practical news, case studies & tips for internet marketing
http://www.marketingsherpa.com
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MediaProfessional.info
Monthly newsletter highlighting emerging trends in media and marketing
http://www.mediaprofessional.info/
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PAID: the economics of content
a news/resource site on online and wireless paid content business models, subscription-enabling technologies and corporate initiatives in gaining subscription revenues through content.
http://www.paidcontent.org/
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Rick E Bruner's Executive Summary
Frequently updated web log and email newsletter, plus consulting and research, covering internet marketing and online business strategy. The site includes a database of hundreds of e-marketing services providers, as well as an extensive industry resources section.
http://www.executivesummary.com/
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Search Engine Guide
Daily news about search engines and the search engine industry, and information on using search engines to market your web site
http://www.searchengineguide.com/
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Search Engine Watch
Guide to search engine registration and ranking issues, providing current news and analysis.