Correction: A previous version of this story did not make it clear that 1App, and not Starbucks, ran the QR code test. The InstantScan service from 1App attempts to provide a solution for marketers ...

Avoid downloading third-party apps to scan QR codes.

Let me come clean: For way too long now, I’ve been excited about the 2D optical code format called QR Code. I even convinced TidBITS to put one on every article page for a while. I don’t get a ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...