You may be wondering what this graphic means. Perhaps it's your first time seeing it, but perhaps you've seen it here and there and not understood its significance. It is called a Quick Response Code, or QR code. If you've got a cell phone camera and a reader (many already do), then you can use this little guy as a hyperlink in the real world.
I've got more history, examples, suggestions, and even a glimpse at the competing code Microsoft is pushing all in my new article over at evolt.org: Real World Hyperlinks
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