How to Make QR Codes on iPhone or iPad. Barcodes—or in this case, QR codes—consist of basic black and white patterns that, ...

You can put one on your business card so people can quickly access your contact information, or on your living room wall with your network’s SSID and encryption key. The design of QR codes also ...

The QR code is an excellent marketing tool, more so than most marketers think. Quickly share details or online content with a simple mobile scan! Still, given all forms of marketing, QR codes keep ...