True story.
They’re being used in advertising, at conferences, you can even create a personal QR code.
Here is a jQuery plugin for a pure browser qrcode generation:
It is standalone, less than 4k after minify+gzip, no image download. It doesnt rely on external services which go on and off, or add latency while loading. It is based on a library which build qrcode in various language. jquery.qrcode.js wraps it to make it easy to include in your own code.
Here is a example.
Jerome Etienne will give you the how-to.
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