QR codes have made their way to Crow Wing County in Minnesota, where they are being used on local hiking trails. The codes are being used by county officials who are looking for feedback from hikers as well as others throughout the area. County officials believe that many residents will find the codes useful as a large portion of them own smart phones and other mobile devices. Thus far, county administrator Tim Houle claims that the feedback regarding the codes has been positive. The codes can be found at various…
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