Luke Westaway is a senior editor at CNET and writer/ presenter of Adventures in Tech, a thrilling gadget show produced in our London office. Luke's focus is on keeping you in the loop with a mix of ...

· New, free-to-download app lets users make and receive calls, texts and voicemail from their existing O2 number on any supported device · Calls are charged in line with a Pay Monthly tariff – with ...

UK carrier O2 has apparently fixed the loophole that exposed subscribers' mobile numbers to websites they visited using their handset's data connection, though there's still no official explanation as ...