Streamline aims to deliver a more convenient , personalized shopping experience which includes a better-calibrated assortment of physical product and content. In the process, the consumer is presented with a more relevant, context-sensitive, and actionable marketing environment that can be precisely measured. First, the marketing content can be targeted to the most likely purchasers of the product based on consumers demographics and cross-category purchase history. Second, the promotions such as an up-sell, cross-sell, or free sample can be delivered in context at the exact instant the consumer is making a purchase decision. Third, promotions are easily and immediately actionable given that a purchase requires a simple mouse-click. Finally, the effectiveness of promotions can be tracked exactly by household.