Barcodes have been around for decades. We take them for granted on our cereal boxes and soup cans. But now, a related type of code - the quick-response (QR) code - has made its way beyond our groceries and consumer goods. Suddenly, we're seeing little black-and-white boxes of pixels pop up in magazines, brochures, and even on our phones.
Digital QR codes are made possible by two bits of technology:

The device's camera, which acts like a scanner when reading a QR code

An app that converts that image into usable information by reading the code
It makes sense that QR codes have made their way onto our phones and other devices. More and more, we turn to our phones when we want quick information on a subject, and most new smartphones come with a built-in QR reader app installed.

QR codes support your events all the way from the marketing and planning stage through the event itself. Here are a handful of practical applications: