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Re:Dear Marketers: Enough with the QR codes by troymc on Monday June 18, 2012 @11:50PM (#4130148)
I agree that's a nice use case (to get details about a grill in a store), but it's not an example of advertising.

Even for that use case, QR codes seem like an interim solution, while we wait for better recognition apps (photo [of object or tag] -> recognition software -> search -> detailed info about object). An example of this is the Google Goggles app (which is not to be confused with Google Glass):

https://en.wikipedia.org/wiki/Google_Goggles

Re:Dear Marketers: Enough with the QR codes by dabent on Tuesday June 19, 2012 @01:30PM (#4133013)
That's a good point. There's not much real use for a QR code being on a billboard/or vehicle. Also, I think QR codes will have their day, then be replaced by superior technology.