Nowadays, you can find QR (quick-response) codes on everything. These odd-looking, black-and-white, pixelated designs were originally used by the automotive industry, but today they are most often found in magazines, newspapers, and online.
QR codes offer an efficient way to create links to websites, etc.
First, you need a QR-code app and a smartphone or tablet equipped with a camera.
When you launch your app of choice, you'll see that your phone's camera is activated, with an on-screen framing guide. Line up the camera on your device with the QR code you want to scan, and hold the device steady until the app can read the code in front of it.
For the best results, aim your device squarely at the code, and not at an angle. When the app has recognized the QR code, it will beep and display the info the code contains, or launch your Web browser to take you to a designated URL.
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