Written by Ron Lyons, Jr. If you're vigilant, you can find QR codes everywhere. These black-and-white squares tie the real world to the internet, and scanning them gives you quick access to ID cards, ...

While you can use your iPhone's Camera app to automatically scan QR codes by just holding the camera in front of the QR code and taping a pop-up, traditional barcodes are a different matter because ...

Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...