But the stores of the future will probably be different from stores today. Shopping in stores will be easy. First, people won't need to carry many bags from store to store. In stores, they will only choose products. They won't carry them home. The stores will deliver most of their purchases, such as clothes and books, to their houses. Second, people won't need to carry money or credit cards with them. An eye scan will identify their eyes and put their purchase on their credit card.