https://www.engadget.com/2011-01-19-starbucks-lets-you-pay-for-that-trenta-with-the-iphone-in-your-s.html
Starbucks lets you pay for that Trenta with the iPhone in your shaking, overcaffeinated hands
Jan 19, 2011 - Expanding a trial that had already been underway in a few markets, Starbucks is now rolling out its Starbucks Card mobile app nationally with payment...