In 2020, for the first time, many people encountered QR codes: registering to leave the house, taking a test for COVID-19, obtaining a work permit, qr code for menu, or permission to travel to another city. But I don’t understand how a matrix barcode works, how it works and with what programs it can be used and created? Who will help you figure it out?
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I can say that it is hard work to meet the needs of customers, not to mention impress, but it is good that there is frontline customer service, there I can find what I am interested in