Starbucks Attempts to Create a Caffeine-Based Currency

Airlines have long given out miles to customers for credit-card purchases made at other stores. Now Starbucks Corp. is trying a similar feat with its loyalty program.

Google and Apple Adjust Strategies on Mobile Payments

The battle for mobile software dominance revolves around two companies: Apple and Google. Now both giants are also going head-to-head in mobile payments, as they prepare to push deeper into digital wallets.

Barclays to allow payments with Twitter

Barclays will become the first British bank to allow people to make payments to each other and small businesses using just their Twitter handle.