Becoming An Online Marketer - About.com Online Advertising Shows You How

About.com receives over 30 million visitors every month. It is a professional content site categorized by hundreds of different topics. One of their newest topic categories, which was just recently launched, is online advertising. Visit the site at onlineadvertising.about.com.

Writer, Cory Treffiletti, writes about topics such as:
•Media buying basics
•becoming an online marketer
•Choosing agencies, affiliates, and partners
•Measuring metrics and analytics
•Advertising in online video
•Advertising in online social networks and user-generated content

It's a good read for anybody involved in online marketing, from the beginners to the experts.