Wall Street Journal: Cable networks have boosted ad revenue by making room for more commercials, using a handful of tricks like shortening the opening credits and even speeding up programs. The resulting “ad clutter” has irked both TV viewers and marketers who fear the glut dilutes their message. Now one network, truTV, wants to offer a different approach, extending the length of its prime time shows and sacrificing ad minutes in the process. “Our ambition is to offer our advertisers a way to rise above the noise.”