QR Codes: What They Are and How To Use Them

A QR code (Quick Response Code) is a specific matrix barcode (or two-dimensional code) that is machine readable and designed to be read by smartphones. The code consists of black modules arranged in a square pattern on a white background. The information encoded may be text, a URL, or other data.

via Webmaster, Technology, and Headline News & Resources | SiteProNews.

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