LAS VEGAS--(BUSINESS WIRE)--As consumers, we can send and receive payments for goods and services anywhere, anytime using any device. But things are different in the business world where the payment process remains largely paper based and as a result, costly and inefficient. The move is on to change this, however. And innovative companies like T-Mobile US, Inc. are leading the way. An early adopter of Ariba® Pay™, a cloud-based solution designed to digitize the “pay” in procure-to-pay, T-Mobile