Where Do Product Managers Fit?
http://www.cooper.com/content/insights/newsletters/2004_issue03/Where_do_product_managers_fit.asp

Korman, Jonathan
Internet Corner
2004

Abstract:

People often ask how interaction designers should fit into their companies. If the company cannot take good advantage of it, the most brilliant interaction design in the world won't help as much as simple, workmanlike interaction design will benefit a company that uses that design well.