A QR code is a two-dimensional barcode that can be read by a QR code scanner, smartphone, or tablet. They are commonly used to provide quick and easy access to information such as website URLs, contact information, or product information.
QR codes are becoming a popular way to send Birthday Party Invitations. They are easy to create and can be sent via text or email.
In an effort to make street signs more accessible to the visually impaired, many cities are now using QR codes. By scanning the QR code with a smartphone, the visually impaired can hear an audio description of the sign.