Mobile Payment, Mastercard | featured news

CTIA Wireless, the U.S. cellphone phone industry's annual trade show that starts Tuesday, is drawing heavy participation not just from the cellphone industry, but from MasterCard, Visa, and other companies in the business of moving money around.

Following a nearly four-month trial period, Google is taking its mobile commerce application, Google Wallet, nationwide. In a blog post announcing the news, the search giant said it needed the time to extensively test the app, which lets users pay for goods by tapping their smartphones against special wireless readers, which are powered by MasterCard’s contactless “PayPass” technology.