Alibaba opens its mobile payment system to 4 million US stores
It's not a full launch in America, though -- only existing users need apply.
Samsung team-up aims to improve your mobile payments
It's partnering with point-of-sale device makers to give you a better time when you tap to pay.
First Data and Tyfone announce partnership for NFC payments by microSD card
We've already seen Visa team up with DeviceFidelity to deliver NFC payments via microSD card, and i...