SEW Experts: Making the Case for Portfolio Based Bid Management Tools

In today's By the Numbers column, Making the Case for Portfolio Based Bid Management Tools, Eric Enge shows why he prefers portfolio based bid management tools to the rules based solutions that evaluate ROI on a keyword-by-keyword basis.

About the author

Kevin Newcomb joined ClickZ in August 2004, covering search marketing and other online marketing topics. He has been reporting on web-based businesses since 2000.

Before the bubble burst, Kevin was a marketing manager for an online computer reseller, handling copywriting, e-mail marketing, search marketing and running the affiliate program.

With a combination of real-world marketing experience and years of business journalism, Kevin brings to ClickZ a unique ability to deliver news and training materials that help online marketers do their jobs better.