Currently, there is a cover of the landscape or square black dot on the packaging of different products. Although the curves of this black dot have long been seen in our minds, most of them have avoided it. But what is the black dot in the box?
This black box is known as a QR code or barcode. There are various products and company information hidden in it. They are not seen in the naked eye. It is necessary to know about these information by scanning with different devices or smartphones.
QR or Quick Response Code is basically a type of matrix or two-dimensional code. The optical instrument labeling is called barcode. All information related to a product is connected to it. Danso Web under Japan's popular automobile company Toyota designed the first QR code in 1994. It was originally designed to track the car while packing, which became popular after all Japan.
