A definitive general collection of news and analysis regarding goings-on in the world of advertising.
  http://www.adage.com  [Site Details]

Online advertising directly on sites of your choice. Internet marketing solution for online advertisers.
  http://www.bidvertiser.com  [Site Details]

Award-winning event management software empowers you to build event microsites, send e-invites, capture registrations, create attendee reports, and print badges.
  http://www.ennect.com/event/index.asp  [Site Details]

Learn about marketing careers, the stages of developing a marketing plan, how to begin marketing research, create a marketing strategy, and how to market in general.
  http://marketing.about.com  [Site Details]

Serves the professional, educational and career development needs of business-to-business marketers.
  http://www.marketing.org  [Site Details]

Read everything you need to know about small business marketing.
  http://www.entrepreneur.com/marketing/index.html  [Site Details]