More and more often, we can see such codes on our streets: in advertising posters and booklets, on business cards or on the packaging of a purchased item. If you have not yet encountered such codes, then this means that you were simply not very attentive. Look around and I am sure that the QR code will surely catch your eye.
What is this code and how does it work?
The abbreviation QR is derived from the English words Quick Response, which translates as “quick response” or “quick response.” A QR code is a two-dimensional bar code that can contain a sufficiently large amount of encoded information (for example, up to 7089 numbers or 4296 letters and numbers). Continue reading