Summary
This news is about popularization of QR code in South Africa. In South Africa, the mobile apps like SnapScan can people encounter the information about products, advertising of company, and so on. 2014, over two million South Africans were using QR codes, according to World Wide Worx. Mobile payment systems is main stream in internationally, and QR code can make this trend revitalize more.
Opinion
QR code has lots of advantages – putting more information than bar code in same size, error correcting code and so on, but I think We have to pay attention more when we open the QR code because of this reason.
QR code has potential of hacking. In some QR codes, malignant code is implanted in it by some people. we cannot know about nothing before we take a picture of QR code. If we do not about hacking or malignant, and We open the QR code, Our smart phones could be infected. QR code is very important method of advertising for lots of companies. Accordingly lots of people try to use QR code for some of bad ways. If we do not know about source of the QR code, you better not open the QR code.