A popular social media video does not prove that COVID-19 vaccines contain product numbers detectable through a Quick Response (QR) code scanner. The claim arose when a TikTok video was posted on Aug.

QR codes are everywhere these days, offering a simple way to access information through your device's camera. Now, with iOS ...

QR codes can be used to pull up a menu in a restaurant, get more information at museums, pay for parking, etc. Those black and white QR codes are everywhere. And even though QR codes were invented in ...

QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...

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, ...