Andrew Ross Sorkin had an interesting column in the New York Times yesterday — a business and economic take on how to make mass shootings less common. PayPal and Square, Sorkin pointed out, decided years ago not to let people…

The change is part of a shift in the balance of power in the credit card business

Buy some coffee, take a selfie. Buy a shirt, take a selfie. Buy some ice cream...

Still in a pilot phase, the new score would help people with no credit cards.

Could electronic wallets become as common as cellphones? Paypal and Google sure hope so. But Mastercard has a plan for this future, too.

Visa, Mastercard, and some big banks agreed to pay $6.6 billion late Friday to end a fight over fees they charge retailers. And the settlement is likely to affect all of us.

MasterCard reported a 21 percent jump in quarterly profit after the biggest jump in card swipes -- to 7.7 billion -- since the company went public in 2006.

Up to 1.5 million credit card numbers for Visa and MasterCard accounts have been stolen from the databases of a company called Global Payments. Plus, understanding evolution through evolving robots.