In a world where the average consumer walks past a long wall of flat screen TVs priced similarly and can't tell the difference between one versus the other, how do you influence brand choice? As marketers, advertisers and creatives, our job often involves crafting messages that hone preference and drive sales. Sometimes we get lucky and work on a brand with a discernible and important competitive advantage to consumers. But often we work in categories that are increasingly crowded and/or filled with products that have little perceptible difference from competition (at least in the consumer's...