We begin this week's podcast with updates on two topics we discussed last week: the potential purchase of a UK mobile network by BT - and the crowd-funded Jolla Tablet.

After that we talk about the GSMA's reaction to national roaming, the potential death of the landline, a new threat to Google, management changes and advertising for 4G data.

We begin this week's podcast with a discussion about the Heartbleed bug, the effect it's having on the mobile industry and the wider issues for all internet users.

We're also talking about the future of BlackBerry, UK 4G coverage, new CEOs, Bluetooth connectivity, privacy concerns and the next generation of mobile processors.

Dr Kevin Curran, Reader in Computer Science at the University of Ulster, joined us during Mobile World Congress to offer his well-informed opinion about trends in mobile technology.

We talked about a wide range of topics, including battery life, disposable tablets, wearables, m-health, 4G fragmentation, connected furniture, M2M security, the rise of video and the IEEE.

The Smart UK project is an annual government-supported competition looking for the UK's Most Innovative Mobile Company.

A few days ago, all 20 companies on the competition shortlist gave a short presentation to the Smart UK panel of judges. Afterwards, Mark Bridge spoke to some of the entrants to discover exactly what they had to offer - and how they planned to disrupt the mobile industry.

We start this week's podcast with Ofcom's announcement that it's clarifying the rules for fixed-term mobile phone contracts.

There's also a new curved smartphone from LG, accusations about a mobile security company, information about mobile phone thefts, a report into the UK's communications infrastructure and some quarterly results figures.