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Nowadays, the supermarket sort of shopping spots tend to be super larger. The wide variety of commodities satisfies human different needs while the process of finding them is time-consuming. What annoys people most is that they spend much time in searching only to find that the product is not sold in the supermarket. A navigation system in the supermarket solves the problem of searching and finding. What's more, by combining their cell phones with the navigation system, the consumers can make a list of purchase intention and predict the cost at home. When they go to shop, basing on the system provided route, they can finish shopping quickly
Xiang Hui Lin,