What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

QR codes seem magical—but bad actors can use them to collect data or money. Here’s how to stay safe.

Uh yeah, we get so many emails, Facebook messages on social media and so on. I love reading all of your questions to me, especially when you send them by video. As I get to see you. Our loyal viewer, ...