I have a friend who calls me occasionally to help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and how ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...

It’s a simple thing we encounter many times every single week – often while in a hurry. You pull up at a parking spot, scan a QR code and pay within seconds. Or you sit down at a cafe, scan a code to ...

Imposter scams are surged in 2025, especially IRS scams using gift cards, QR codes, and AI. Learn how to spot fake notices and avoid identity theft.