SAN FRANCISCO — When people enter Teeth, a bar in San Francisco’s Mission neighborhood, the bouncer gives them options. They can order food and drinks at the bar, he says, or they can order via a QR ...

QR (quick response) codes have been around for nearly 30 years. Developed in 1994 by a Japanese engineer for the purpose of tracking components in car factories, they have evolved into a highly ...

The use of Google Sheets can help you in executing a working QR code attendance system. How do schools and offices revolutionize their attendance checking means with QR codes? As the schools and ...

York tracking company Vismo has launched a product that uses QR codes to let organisations know where staff are in a building. “Vismo Checkpoints” is used with other Vismo tools on a smartphone, which ...