O2 has today launched a new app that allows its customers to take their phone number onto multiple devices to make calls and texts - and we've tried it out. Using similar Voice over IP technology as ...

Add articles to your saved list and come back to them any time. An untold number of U.K. residents may have unwittingly broadcast their numbers to sites across the Web while browsing the Internet with ...

O2 is launching a £4m advertising campaign to promote its new pay-as-you-go tariff, Your O2 Numbers. A television, radio, press and online campaign breaks next week; outdoor activity will follow on ...