It's no secret that our five senses -- sight, touch, taste, smell, and sound -- exert a powerful influence on our everyday purchase decisions. Such is the argument made by Martin Lindstrom in "Brand Sense," which stresses that retailers that deliver a multi-sensory experience achieve greater sales and higher levels of brand awareness in the minds of customers. Here are a few findings that illustrate how important it is for companies to appeal to consumers' senses to shape their behavior: In a study published in the Journal of Consumer Research , Ronald E. Millman showed that the pace of music playing in the background of restaurants and stores had a considerable effect on spending, traffic flow, and service. The slower the music, the more people shop. The faster the music, the less money people fork over. Related studies have demonstrated that the slower the music at restaurants, the longer people stay wining and dining. In fact, the average bill for diners was 2...