In 2016 for instance, Snapchat and iMessage introduced support for QR codes as a method of adding new friends, WhatsApp uses QR codes as a quick way to access the desktop version of their chat ...

In desktop versions of Chrome on Windows, macOS or Chrome OS devices, right-click or tap with two fingers on a touchpad to display the Create QR Code option. The generated QR code displays in the ...

QR codes are an interesting tool with a variety of uses. Take a deep dive into how they work, generate a 3D printable version, or build a QR jukebox, if you want to learn more.

The “QR” stands for quick response. As long as the link stays the same, a QR code will take you to the most up-to-date version of whatever is on that page.

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

What to watch out for, and how to protect yourself from malicious versions of these mobile shortcuts. If it seems like QR codes have popped up everywhere these days, you’re right.

Some versions of QR have additional patterns for alignment and timing bars that provide alternating bits. As you might expect, other areas encode the format and error-correcting codes.

For instance, you can scan the QR code on the right to visit the mobiputing home page. Update: Google has launched a web-based version of the Android Market/Google Play Store.