The most popular messenger app today is WhatsApp, and despite the rise of tools such as Telegram and Signal over the past couple of years, WhatsApp has held on strongly to its crown. Now, WhatsApp is ...
What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...
As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...
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