Telefonica UK has appointed Claire Valoti as Managing Director of its O2 Media business with effect from January 2012. She’s taking over from Shaun Gregory, the ex-Blyk CEO who joined the company in February 2009.

O2 Media delivers personalised targeted messaging to customers and is responsible for the O2 More loyalty scheme, which has over six million customers.

France Télécom-Orange and the Publicis Groupe advertising business are planning to launch a new venture capital fund.

The fund - which is starting with a 150 million Euro investment from the two companies - will help budding entrepreneurs in Europe’s digital economy. Additional funding from other investors is expected to bring total funding to 300 million Euro.

Best Buy Europe, the joint venture responsible for The Carphone Warehouse brand, plans to close its eleven so-called ‘Big Box’ Best Buy stores in the UK within the next two months.

In addition, the Carphone Warehouse Group is planning to end its American profit-sharing agreement by selling its interest in Best Buy Mobile US and Canada back to Best Buy.

Figures in the latest IBM Coremetrics Benchmark suggest that record numbers of US consumers will shift their online Christmas shopping from PCs to mobile devices.

Last October, 4.2% of people used a mobile device to visit a retailer’s site - but that figure had more than doubled to almost 11% this year. Similarly, mobile sales reached 9.6% in October 2011, up from 3.4% in October 2010.

Cloud desktop specialist Cortado has announced an HTML5 version of its Cortado Corporate Server product line, offering even more availability for its services.

Cortado Corporate Server already provides desktop-type functionality on Apple, Android and BlackBerry devices, enabling users to remotely access documents for editing, sharing, emailing and printing. The new HTML5 client now makes the service available to PCs, Macs and other web-enabled devices as well.