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 ...

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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Snapchat is best known for short-term photos and videos—and all its weird face filters—but the app can do a lot more than that. Once the latest Snapchat update hits your device, you’ll be able to ...