If a company purchases ad space in a variety of locations, it can use a different QR code for each location, with each QR code pointing to a unique URL. QR codes also help organizations measure the effectiveness of their different advertising campaigns. As a result, advertisers prominently display QR codes on billboards, in magazines, on tradeshow booths and just about anywhere else where a QR code is likely to attract attention. Practically anyone can scan a QR code and be taken directly to the corresponding website without the hassle of having to manually type out the site's address. This capability has proved to be especially useful given the fact that smartphone use is so widespread, and they can act as QR code scanners. QR codes are often used for advertising because they can store long strings of data, which makes them perfect for storing URLs. While a barcode can normally only represent short alphanumeric strings, a QR code is able to store larger amounts of data. They consist of a series of squares arranged into a much larger square, and function similarly to a barcode. People sometimes describe QR codes as 3D barcodes.
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Organizations should learn the different threats that may appear under the guise of a convenient QR code - and how to avoid them. Because of their convenience and growing ubiquity, however, QR codes are also a popular target for hackers seeking new ways to spread malware and steal information. Over the past few years, scanning a quick response code (QR code) has become a popular way to access paperless menus, carry out contactless transactions and more.
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