Water-resistant smartphones attracted plenty of interest last year at Mobile World Congress... and they were back this year.

UK-based P2i, which already provides a splashproof liquid repellent nano-coating for some Motorola and Alcatel mobile devices, has been showing off its forthcoming ‘Dunkable’ technology. This increases the level of protection by protecting smartphones that are submerged in water.

Apple says that educational content from its iTunes U store has been downloaded more than a billion times.

iTunes U was launched in May 2007, offering downloadable multimedia lectures and demonstrations from a variety of schools, colleges, museums and universities.

The final stage of Ofcom’s 4G UK mobile spectrum auction has been completed, with two network operators choosing to pay more for a specific part of their chosen spectrum band.

Ofcom announced the winners of the main 800MHz and 2.6GHz auction just over a week ago.

British Sky Broadcasting Group plc has agreed to buy the O2 and BE consumer broadband and fixed-line telephone businesses from Telefónica UK. Adding these half a million customers will make Sky the second-largest provider of broadband in the UK.

Sky is paying Telefonica £180 million for the deal, with the option of an extra £20 million if the transfer runs smoothly. It currently has 4.2 million broadband customers and 4 million telephone customers.

Today's podcast was recorded at Mobile World Congress 2013, where Mark Bridge has been reporting on the latest news from handset manufacturers.

He also drops into the Global Mobile Awards - and finds out who won the inaugural Dead Technology Award at the unofficial festival fringe.