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 ...

Costco is testing a "Scan & Go" system to expedite checkout. The new system will allow customers to scan items with their phones and pay through the app. The "Scan & Go" system is being tested in 27 ...

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 ...