I've always wondered how many characters I could type in to a URL bar on my phone before I could find (even if I already had it downloaded) a QR code app, launch it, scan the image, and then let the page load.
I'm guessing that some Android phones have it built into the stock camera or something though?
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QR codes are fantastic when you have a room full of 600 people and no way to pull up their details in quick time - not sure if this is the best use case but nice to see someone not completely writing off QR codes
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