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Could NOT agree more with Carl Gunell over here: https://storify.com/gunell/the-evolution-of-qr-codes2.
Others think they are the bee's knees: "Forrester estimates that 1% of all internet users and 5% of smartphone users have scanned a QR code in the past three months."
The Gadget Guy thinks they can be useful but only if used properly.
There are examples of different large campaigns using them, but are they really that effective?
I've used Scanlife a few times with my new phone, but honestly- doing it was no less simple then to just type in a short URL in the web browser.
Here is a great discussion on the usage of codes via survey here: http://2d-code.co.uk/how-many-would-scan-a-qr-code/
The other day I saw an ad with the QR code right about the short, extremely short URL. Does it REALLY save that much time?
Dave Boike expressed this well over here:
Will they ever catch on with the masses?