It took me to this site, in swedish but I'm sure you could find one in english, Skapa QR-kod. So easy - you just write what you want to say and press a button and it turns to a QR-code!
I do have a QR-reader on my phone but haven't used it many times, perhaps it will change now.
I don't know what to use it for, but it is fun!
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It is so cool. I think it would be useful for people who want to share their details. You just show them your card with the QR code and they scan all your details into their phone.
I think codes like this on all the stalls at a quilt show would be good.
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