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The best use of QR codes
(slrpnk.net)
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this post was submitted on 06 Jan 2025
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When my phone's barcode reader app sees a web link, it fetches the page's title to display next to the actual link. So it is going to that web server and fetching resources by itself. Even though it isn't actually rendering the page and running javascript, it might be exploitable.
But that's the barcode app - is it always running, looking for barcodes in all the photos you take? Because there are already shirt with giant barcodes on them - presumably just artistic with no meaning, but who knows?
Has Google's camera app added that yet? If not it's only a matter of time.
It does.
My camera brings up the links/data in any QR code that's in the shot, I would have to fatfinger it and click the link (twice, because it asks you to confirm that you want to open the link) though
I have a shirt with a QR code that goes to a Rick roll. It doesn't work nearly as well as I'd hoped. Even people trying to scan it have a hard time, forget about anyone scanning it unknowingly. Mr. Astley did in fact let me down.