But last week, Starbucks docked stars from certain customers who it said used a leaked promo code for free drinks, the company told Insider. The QR code ... and post pictures of their Starbucks ...

[Russ Cox], current Googler and formerly of Bell Labs, posted an awesome guide to putting images in a QR code. Unlike this terrible attempt I wrote last August, [Russ]’s method does much more ...

Beverage giant Starbucks is using QR codes to help spread the word out about its new summer refreshers. The company has placed the mobile bar codes on leaflets, which can be found at its in-store ...

“Starbucks is using traditional media like print and outdoor to drive downloads of their mobile app, and the QR Code is a great way for smartphone users to get it in one click,” said David ...

Starbucks' free Wi-Fi was ... connecting to the public Wi-Fi at a Starbucks store in Buenos Aires, Argentina. After a little digging, he uncovered some suspicious code embedded in Starbucks ...