Mark Bridge writes:

On Friday morning, Nokia is hosting a Strategy and Financial Briefing in London. And on Sunday evening, it’s holding a press briefing in Barcelona. CEO Stephen Elop is expected to make some significant changes to the company - but what will he say?

This week's podcast sets the scene for Mobile World Congress, with mobile payments, mobile applications, the PlayStation Phone and Nokia's future all up for discussion. There's also an interview with Dr Windsor Holden of Juniper Research about the trends and products to watch for when the industry heads to Barcelona.

New EU roaming regulation isn’t having much effect on the mobile usage habits of British consumers when they’re abroad, according to new research conducted on behalf of mobile roaming company MACH.

Over half of mobile users said they were aware of the rules regarding roaming, yet three-quarters of these said the rules made no difference to how they used their mobile phone when travelling abroad.

Nokia Siemens Networks has announced a 'Smart WLAN Connectivity Solution' that allows mobile networks to offload their traffic to WiFi without any break in service.

It removes any need to manually switch between WiFi and cellular broadband on mobile devices, helping mobile operators maintain network capacity.

It’s been a week of UK investments and acquisitions. First Volantis, then Saffron Digital - and now SurfKitchen.

The Reading-based mobile internet usability experts have been acquired by Teleca, a Swedish company that offers a wide range of mobile solutions and services. SurfKitchen will remain as an independent business unit within Teleca.