There's big news from big names this week as Nokia announces a new smartphone, Microsoft announces a new structure and Research In Motion announces a new name.

We also talk about O2 UK's backhaul deal, Apple's eBook court case, a complaint about advertising and plenty more as well.

In our podcast this week we're discussing the new SmartWatch from Sony, talking about Firefox OS smartphones and contemplating Vodafone's partnership with Sainsbury's.

We're also looking at complaint figures, roaming charges, pay as you go pricing, joint ventures, BlackBerry's recent results and the future of Windows Phone.

This week's Mobile Monday London event featured a panel discussion about the opportunities for mobile-based geolocation and mapping. The event was supported by UK mapping agency Ordnance Survey.

In this podcast you'll hear the first part of the evening's discussion plus interviews with Nokia's Gary Gale, who chaired the panel, and Ian Holt from Ordnance Survey. Part 2 is available as a separate podcast.

Three new smartphones launched at three separate events. Yes, Nokia has definitely been busy in the past few days.

As well as talking about Finland's finest phones, we also discuss recent claims made about EE, annual results from Sony, smart metering, 5G technology, virus protection, Vodafone and the worldwide growth of mobile phones.

There's a diverse collection of mobile-related news in this week's 30-minute podcast.

We start with the new Twitter music service before moving on to discuss quarterly results, patent licensing, wireless charging, advertising and mobile payments... before ending with a curious report about app-controlled underwear.