Most B2B marketers understand that online communities can be a critical element of their overall customer engagement strategy, but too many struggle with choosing the right approach, sustaining involvement, and measuring effectiveness. This report provides a planning framework to help B2B marketers incorporate all of the essential community elements in a program that provides the highest value to their customers, prospects, and employees while meeting their organization's most important business objectives. This is an update of a previously published report; Forrester reviews and revises it periodically for continued relevance and accuracy. We have evaluated the data and found that it is still relevant.