Invented in Japan, the two-dimensional barcode is black-and-white graphic used for recording data information. It is featured with large storage capacity, high traceability, and low cost.

 The two-dimensional barcode is not a brand new technology. However, the camera recognition function of smartphone makes it feasible to input the two-dimensional barcode, printed in newspaper, magazines and outdoor advertisement, into our phones. Two-dimensional barcode becomes the intersection of geographical location, online and offline, users and mobile devices, which is one of one of the most suitable tool for mobile internet. The QR (Quick Response) code is one of the most popular two-dimensional barcodes.

2012 witnessed the transition of two-dimensional barcode from traditional symbol to magic tool opening up online and offline. It is widely used, from outdoor advertisement to newspaper and magazines, from corporate marketing to personal brands.

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Kang Zhou

Kang is a Tech writer, Event planner and Chairman of Beijing 3 Day Startup.