你可以用它扫描一般的二维码来查看物品价格，但是它最好玩的是可以用来扫描QR码（详情戳我）。
While you can use it to scan typical barcodes and look up pricing on items, the greatest feature is using it for scanning QR Codes.
然后该扩展将生成一个二维码，用户通过手机扫描就可以进入Google Checkout页面完成交易。
The extension will then create a QR code, which when scanned with the phone will take the customer to Google Checkout page where they can complete the transaction.
在商场，在地铁上，亦或是餐厅，我们到处都能看到二维码，扫描一下就可以获得优惠券或是参加抽奖活动，这是很多商家开展微信营销的惯用方式。
At the mall, on the subway, or restaurant, everywhere we can see qr code, it is ok to scan for coupons or to participate in the sweepstakes, this is many businesses develop WeChat idiomatic way.
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