The Advertising Standards Authority has ruled that a TV advertisement and web page promoting a T-Mobile offer for “unlimited free texts forever” didn’t breach UK advertising regulations.

Two people who complained about the pay as you go offer didn’t believe it really would be available indefinitely.

The new iPad mini will help the market for 7-inch tablet devices to double in 2012 and 2013, according figures from research business IHS iSuppli. It says last year’s total sales figure of 17 million units will increase by around 100% in 2012 to 34 million units - and will then almost double again next year to 67 million tablets.

Tablets with a display size between 7 and 8 inches are expected to account for 28% of all this year’s tablet sales.

Ofcom says the UK has now switched from analogue to digital terrestrial television, such as the Freeview and Top Up TV services.

It means the former analogue TV spectrum is free to be used for 4G mobile data services. This so-called ‘Digital Dividend’ is due to be auctioned in a few months’ time.

This week we're talking about the UK's first 4G mobile phone tariffs, Ofcom's consultation about contract pricing and O2's response to its recent network outage.

We're also looking at quarterly results from Google and Nokia, Apple's iPad design, Microsoft's tablet pricing and texting cows.

Virgin Media has announced results for the third quarter of its financial year, with revenue up 2.8% to £1.028 billion for the quarter and net income rising to £124 million for the quarter.

Mobile revenue was down 3.1% year-on-year to £136.8 million for Q3 2012, with the change to mobile termination rates taking most of the blame.