The modern smartphone is a remarkable device. A single device that fits in your pocket can do all the tasks that once required cameras, camcorders, GPS devices, watches, alarm clocks, calculators, and even TVs.
But the next change might be the most radical of all—it could eliminate the need to carry cash and credit cards.
The growing importance of the smartphone as the go-to computing device for every digital activity is having a profound effect everywhere you look, but it’s only the biggest story among many exciting developments in the world of payments:
