Why QR Codes are Effective:
Opinions vary across the charts discussing whether QR codes are really effective or a waste of money, time and space. Many associate these codes as only links to a company website, but they may not realize how much more it can actually do. Just to name a few, you can receive text, add an electronic business card (vCard), compose emails and texts after scanning the code, and of course, upload a URI or URL to your smart phone3.
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