Scan a bar code and it retrieves product information, including prices atonline merchants and local stores (in case you are in the mood to haggle).

扫描条形码，它会提取产品信息，包括网上和附近商店价格（以防你打算讨价还价）。

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But many product pages lack sufficient information, even for visitors doing a quick scan.

但是很多产品页面缺乏足够的信息，甚至不足以让浏览器快速浏览。

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The Shanghai Daily tested a 100-yuan product said to be able to scan all the news channels across the world.

上海日报测试了一款100元的产品，可以搜索到全世界所有的新闻频道。

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When farmers buy their inputs, the store worker uses a mobile phone camera to scan barcode symbols that match the product.

VOA: special.2010.05.11

Now with the scanners you cannot scan the wrong product and send it out.

BBC: Viewpoint: On the logistics frontline

You can scan the barcode on any product and the free app will trace its ownership all the way to its top corporate parent company, including conglomerates like Koch Industries.

FORBES: New App Lets You Boycott Koch Brothers, Monsanto And More By Scanning Your Shopping Cart

On completion of this process, complete a second scan using a different anti virus product.

FORBES: IBM Distributes Malware-Infected USB Sticks At Security Conference