What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

We live in a world where everything is becoming more digital by the day, and many people have started using QR codes to store data and URLs. The codes from QR are essentially groups of black and white ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Scan QR codes faster with these tips. Image: D. Griffin Jones/Cult of Mac You can scan a QR code directly from your iPhone — you don’t need to download a third ...

Question: Do I still need a separate app to scan bar codes and QR codes with my iPhone? Answer: Quick Response (QR) codes — those black-and-white square images often found on packaging — have been ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...