QRCode
QR Codes
QR Codes are bar codes which are readable by your phone's camera and provide more information about an item. db uses QR codes on sources and shows to provide links back to the details. One provider of a reader is http://www.beetagg.com/
The data stored in a QR code at db is only the path to the source such as
http://db.etree.org/shn/1234
No other information is stored in the code.
More details about the chart specification can be found here: http://code.google.com/apis/chart/image/docs/gallery/qr_codes.html#details
I've wanted to implement bar codes on db's sources for years but the technology just wasn't available for users to use them. Now it is and I hope you find them useful.
Tom
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