O2 Mobile Unlimited has become a talking point for US consumers who travel frequently to Europe or who are exploring ...

Cellular service provider O2 UK is working with British credit card issuer Barclaycard, as well as Nokia, Visa Europe and other partners, in a project to test the O2 Wallet, an application in which ...

In late 2007, British cellular service provider O2 UK launched a six-month technology trial to gauge consumer interest in and comfort with using RFID-enabled mobile phones to make fare payments to ...

O2 Mobile Unlimited is a group of postpaid smartphone tariffs that bundle mobile data, voice minutes, and text messaging into a single contract for consumers and small businesses in Germany O2, ...