Microsoft has agreed to acquire business-focussed social network provider Yammer for $1.2 billion.

Yammer will become part of the Microsoft Office Division and will continue to report to current CEO David Sacks.

Virgin Media has launched a number of new ‘pay monthly’ mobile phone tariffs today, including an unlimited data deal.

The ‘Premiere’ tariff offers unlimited data, unlimited text messaging, unlimited voice calls to UK landlines and 2,500 minutes for calling UK mobiles every month (subject to terms & conditions). It’s priced at £26 per month for a two-year minimum term, with a £5 monthly discount available for customers who already subscribe to other Virgin Media services at home.

The EU’s transport and internal market committees have adopted a report that says all new cars sold in the EU from 2015 should be able to dial the emergency services automatically when they are involved in a serious accident. This recommendation isn’t legally binding, although the European Commission is expected to announce proposed legislation later this year.

Vehicles with ‘eCall’ mobile technology would automatically call the Europe-wide emergency number 112 when a crash is detected.

Senseg, the Finnish company that enables smartphone and tablet screens to offer different textures when touched, has appointed Paul Costigan as its Chief Executive Officer.

Mr Costigan was previously the chief operating officer and Asia-Pacific region president for video processor business Movidius, although he’s probably best known as co-founder and CEO of fabless semiconductor firm Massana.

The Google TV smart television platform is coming to the UK, offering a combination of internet services and streaming video on almost any conventional TV. Sony Europe is producing the first UK-bound devices with the NSZ-GS7 Internet Player due to arrive next month.

Google TV is notable for its use of the Android operating system, providing a familiar interface and the ability to add applications from the Google Play app store to the Google TV player.