In this special feature we're talking to Ian Brown from Axell Wireless about mobile phone coverage on the London Underground.

WiFi is now available on a number of London Underground stations - so why is it taking so long to arrange mobile phone service on the Tube?

Mark Bridge writes:

It was a good week for technology stories hitting the mainstream news, thanks to the apparent appearance of a Higgs boson, Sir Alan Sugar’s YouView online TV service and football goal-line technology.

Mobile-related news hasn’t been quite so big, although plenty of well-known names have turned up in the headlines. What’s also been turning up – rather more than usual – is the presence of WiFi.

Last year’s announcement of the Tizen open source mobile project appeared to suggest an end to the Linux-based MeeGo platform, which was formed in February 2010 with the merger of Maemo and Moblin. However, a new company in Finland is promising to keep the MeeGo OS going.

Jolla Ltd has been formed from the team that built the MeeGo-powered Nokia N9, along with a number of other MeeGo specialists.

Yahoo! and Facebook say they’re now working together on a new advertising partnership and are also settling the ongoing patent dispute between the two companies.

In the future we’re likely to see promotions across both Yahoo! and Facebook, along with deeper Facebook integration on the Yahoo! site.

Last month it was reported that a Samsung Galaxy SIII smartphone had emitted “a white flame, sparks and a bang”, according to an online report by a Dublin-based student.

An investigation by Fire Investigations UK has now concluded that the damage was caused by an external energy source, noting “the device was not responsible for the cause of the fire” and revealing that the moisture detection patch had been removed from the device.