Why the QR code is failing
출처: http://www.imediaconnection.com/content/30267.asp## Why the QR code is failing Mobile By Sean X Cummings on October 14, 2011 They have become the standard violator appearing on advertising; in the corner of print ads, across billboards, on buses, or in pieces of direct mail -- even peppered throughout this article. You've seen them; that little block of even littler squares. Unfortunate..