Strange graphics showing up all over ...
Tags
- question
- graphis
- bar codes
Comments
Mark de LA says
Here is a generator: http://qrcode.kaywa.com/
The one for http://www.fastblogit.com looks like this:


Here is a generator: http://qrcode.kaywa.com/
The one for http://www.fastblogit.com looks like this:

C says
I think it is some kind of checksum related to SHA1 in a 2D barcode.
Seth says
ok, that's it. But how do we use these? What it the practical reason to publish these graphics on the web? Is there some app that scans that and goes there?

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