The document discusses principles for effective media planning and metrics for measuring advertising success. It recommends employing a multi-media approach and continuity over bursts to maximize reach. During economic downturns, it suggests continuing advertising while negotiating for flexibility, value-adds and a focus on consumers. New metrics like neuroscience and actuarial analyses can provide granular insights but traditional metrics still apply, like measuring awareness and branding. The key is finding the right balance of metrics and principles to optimize advertising performance.