Adds QR Codes QR Codes

This is for people reading on mobile phones. Go to the website for more information and links.

A QR code is a two-dimensional bar code that works as a convenient way to “tag” content for mobile phone users. I’ve added these to the site so that folks browsing from their computer can quickly open the relevant page on their QR code-enabled cellphones.

Android phones can install a barcode reader app that understands QR codes, and iPhones have many applications to choose from (Barcodes [iTunes] is free and works well, QRCode is free and is much faster). Nokia users can install a free application from UpCode.

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