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 ...

The QR code is having an extended moment, given that we’re all still wary of dealing with physical documents, touching surfaces, and generally interacting with the world at large. The switch to ...

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 ...