Marketing

Ad Age Data Center
     Free access to valuable advertising and marketing industry data.

Ad Cracker
     Tool to create advertising and marketing ideas.

ClickZStats
     Research and data for online businesses, domestic and worldwide.

Know This.com
     Reference site for market research, advertising, selling, promotion, and other marketing-related topics.

Naming Newsletter
     Quarterly newsletter on naming tactics and strategies.

Quirk's Marketing Research Review
     Access to articles on market research topics and directories of market research providers.

Trendwatching.com
     Follow global trends via this free newsletter.