“Why didn’t they put me on that project?” Guy Christiano wondered to himself, reflecting on the announcement he’d just heard. He and his marketing colleagues from Ralston Crane’s 20 offices and 11 practice areas were filing out of the hotel conference room, many of them already poking at their PDAs as they swarmed the escalator. The meeting was the annual marketing summit, where they had all convened to share best practices, celebrate the year’s accomplishments, and align their plans for the future.

A version of this article appeared in the June 2006 issue of Harvard Business Review.