This article discusses the principles of marketing and how they apply to a product like Smart Helmet. It covers market segmentation, target market, pricing strategy, and the 4 Ps of the product life cycle. The Smart Helmet is a product designed for bikers that provides GPS, walkie-talkie, and LED light services. The target market is upper middle class people with a keen interest in biking. The product is worth $250 and should be introduced using price skimming strategy.