Smart shopping cart using bar code scanner is now more and more common in many supermarkets .As a housewife , Julia went to a retail stores near to her house everyday to buy daily necessities ,mainly including fruits and vegetables .

Smart shopping cart using bar code scanner is a kind of smart shopping cart that is widely used in supermarket all over the world .Some retailers may think that smart shopping cart which could recognize items automatically is better and more advanced , actually , there are 3 distinct advantages of s

The retail industry is actually a fastest-changing industry. However, the ordinary shopping cart used for shopping has emerged for nearly a century. When people are still using ordinary shopping carts, they may not realize that ordinary shopping carts have brought them a lot of inconvenience .