State built QR code systems have been successful in tracking close and casual contacts at venues which are later declared hot spots. It‘s a simpler and more effective system than the Federal ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. The simple answer, and the one most often provided in online ...

Learn how to scan QR codes on Android with ease using your camera app. Simple steps to get you started quickly.