O2 has launched My O2, an official iPhone app to monitor your usage, and see just how much money you threw away when you signed that 18-month contract Richard Trenholm was CNET's film and TV editor, ...
Tethering isn't just for balls on poles and tents on windy days -- it means you can use your phone's Internet connection with your laptop. With the iPhone leaving its monogamous relationship with O2 ...
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