As Jacobson points out, the mobile commerce ecosystem includes payment processing network companies such as Mastercard (MA), Visa (V) and American Express (AXP) as well as point-of sale (POS) equipment companies like VeriFone (PAY) and NCR Corp. (NCR), which should help alleviate privacy and security concerns.

FORBES: Watching VeriFone as Mobile Payments Explode

As Chief Digital Officer, Brotman has responsibility for Starbucks core digital businesses, including web, mobile, social media, card, loyalty, e-commerce, Wi-Fi, and the Starbucks Digital Network.

FORBES: Chief Digital Officer for Starbucks on Technology, Change and Community