The use of QR codes wasn’t a particularly common thing in everyday life within the U.S. until the covid-19 pandemic really started to push many restaurants to adopt the codes in lieu of physical ...

If you're at a gas pump and there is a random QR code beneath a questionable sticker, it's likely not worth scanning. Always be skeptical of any QR codes you see and consider their source.

Ensure it is what it says it is. So, I reiterate: you really shouldn’t scan random QR codes. And, if possible, tell your less tech-savvy friends and relatives the same thing.

The trouble is, with QR codes, you may not be able to tell the difference between a malicious code and a legitimate one until you've scanned it. But there are a few ways you can avoid fakes.

If a QR code asks you to download a random app, avoid it. It may install malicious software and steal sensitive data like phone numbers and saved credit card information.

I want to know, before I save a scanned QR Code, that it is legitimately created by the source. In other words, if I scan some random QR Code, how do I know that it's really a harmless bit of ...

So random that when it is scanned you may end up with a weather forecast, video of a dancing child or a tweet. Each time the QR code is scanned, something new will appear on the screen.