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Invented by a Japanese engineer in the 90s, the QR code is useful to us on a daily basis. Especially since the pandemic. Today, it notably facilitates financial transactions.
You may have noticed them on the metro, on your cinema tickets, in your supermarkets or on self-service bicycles. These are small black and white squares, which have invaded our daily lives: QR codes. QR for “Quick Response”, quick response in French. The first prototypes were designed in 1994 by a Japanese engineer. With his team, he was looking for a new way to identify and trace automotive parts. The traditional barcode can only contain 20 characters. The QR code can condense more than 4,000. The atypical design is inspired by the game of go, very popular in Japan. The creator has chosen not to file the patent, so that every company can use it for free.
In the early 2010s, the advent of the smartphone introduced the QR code to the general public. Ten years later, the pandemic imposes it with the health pass. To limit contacts, some restaurants even have the idea of swapping the card menu and the bill for this code, which knows how to reinvent itself. For the past week, in a high-end bike shop, it has been possible to pay for purchases by instant bank transfer with your phone. “It allows us not to pay commissions, and not to go through the credit card to avoid ceiling problems. So it’s much easier”, explains the manager. The QR code should become widespread in the daily life of the French: on papers, like the new digital identity card, and why not, tomorrow, to contain medical information.
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