What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web ... using UTM codes, a URL shortening service such as bit.ly or tinyurl ...

Instant access to information is pivotal in today’s digital world. QR codes are among the best tools for linking offline and online experiences. Link QR happens to be among those big game changers.

In context: QR codes were ... which suggested using DecompressionStream – a little-known Web API available in all modern browsers. Thanks to this component, the Backdooms code can be dynamically ...