This week's podcast is dominated by the results from the Interphone 'brain cancer' mobile phone research, although there's also time for Iain, James and Mark to talk about Google, Bluechipworld, Vodafone MVNOs, giffgaff, 3D mobile video, HTC's legal action and houses without fixed-line phones.

1GOAL: Education for All, the football and FIFA-backed project that's accompanying the 2010 World Cup, has launched what is says is the world’s biggest ever mobile phone campaign.

People can sign up for the 1GOAL mobile campaign – which wants additional funding to offer education to every child – by visiting 1goal.mobi on their handsets, by sending an email to info@join1goal.org or by responding to a text message sent by participating mobile networks. Nokia and Samsung will also be making a 1GOAL mobile app for their customers.

Texas-based DeviceFidelity has created a protective case that adds the capability for NFC payments to the Apple iPhone 3GS and iPhone 3G. It's based on DeviceFidelity’s In2Pay microSD card, which slots into the case. This, in turn, fits on the iPhone and can communicate with a payment application. The In2Pay card uses Visa’s contactless payment technology, Visa payWave; trials are scheduled to start during the second quarter of 2010.

Vodafone has announced its annual results for the year ending 31st March 2010. Group revenue increased by 8.4% to £44.5 billion, with service revenue increasing by 8.9% to £41.7 billion. Group EBITDA was £14.7 billion, up 1.7%, and adjusted operating profit was £11.5 billion. European service revenue dropped 3.5% to £28.3 billion.

The company's proportionate mobile customer base is now 341 million, having seen 8.5 million net additions during Q4. Data revenue exceeded £4 billion, up 19.3%, with over 50 million customers now using data.