The POS client software starts on the mobile phone, notifying the store that the customer will be using his mobile phone as a bar code scanner and POS client.

POS 客户端软件在移动电话上启动，并通知商店该顾客将使用其移动电话作为条形码扫描仪和 POS 客户端。

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Using 13 digits, the bar code store the information of goods.

条形码用十三位数据存储了货物的信息。

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By scanning a bar code in the store, Amazon would give the customer a 5 percent discount, up to five dollars.

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In store coupons get pushed to your device with a bar code to be scanned for instant redemption.

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When users are in a store considering whether to purchase an item, they can punch in its bar code number on their phones.

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