I have a friend who calls me occasionally to come 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 ...

The data in a QR code is a series of dots in a square grid. Each dot represents a one and each blank a zero in binary code, and the patterns encode sets of numbers, letters or both, including URLs. At ...

Nitin Gupta, founder of QRCodeChimp. He's a technology leader with over two decades of technology development and management experience. The Internet of Things, or IoT, allows various internet-enabled ...