Telefonica and Microsoft have signed an agreement to create a new video platform that’ll be used for entertainment across Telefonica’s operating businesses worldwide.

The new service will take advantage of Microsoft’s Mediaroom online TV technology and will be capable of delivering video content to compatible set-top boxes, Xbox 360 consoles, web browsers, tablets and smartphones. Initially the service will be offered in Brazil, Chile and Spain.

US-based online and high-street bookshop Barnes & Noble has launched two new tablets in the USA and the UK. The 7-inch NOOK HD and 9-inch NOOK HD+ will support more than 2.5 million eBooks, electronic magazines and apps. In addition, B&N says TV shows and movies will also be available in the next few weeks.

Pre-orders will begin next month, with availability expected towards the end of November.

A new survey conducted for online video specialist QuickPlay Media shows that live TV sport promises to drive the growth of mobile video in the UK.

52% of mobile video users in the UK watched at least one Olympic sporting event on either a smartphone or tablet, with most of them saying their mobile viewing had increased after watching a major sporting event on a mobile device. In addition, the number of consumers watching mobile video at work during the Olympics doubled to 18% from 9% in a non-Olympic average week.

Nokia has apologised for producing a video that claimed to demonstrate the benefits of optical image stabilisation on its forthcoming Lumia 920 smartphone. The new flagship handset is capable of reducing or eliminating the effect of movement - which means that photos and videos will appear less blurry than those from other devices.

However, the promotional video wasn’t shot with a Lumia 920.

Mobile data compression app Snappli has come out of beta and is now available on the Apple App Store.

It can reduce data transmissions by up to 85% while also making mobile browsing up to twice as fast. An Android version of the app is still under development.