Your marketing efforts are the lead-in for your sales efforts. A well-thought-out marketing plan will make your products and services known through advertising, public relations, direct mail, and more. These resources provide guidance as you develop your plan.
Entrepreneur.com offers a variety of information related to marketing, as well as tactical information for use as you develop the plan.
Fortune.com offers peer-to-peer information. Learn about other marketing experiences, both successful and not so successful.
Fast Company offers interesting marketing case studies with valuable insight from industry successes.