UK interpretation of Brussels’ ‘means of knowledge’ rule to be put to test; fight for £26.6m VAT in case that could influence £8bn tax held in Treasury

Microsoft chief Steve Ballmer finally announces Windows Mobile 6.5 follow-up, although Windows Phone 7 launches will not see the light of delay until December

Mapping company Navteq has made its Traffic solution available for UK customers

The GSMA outlines new guidelines on design and build of M2M devices to drive down cost and drive up sales and network data traffic

French Avenir Telecom gets three-year exclusive on new Energizer range of mobile charger accessories, for its distribution routes in UK and retail operation in Europe

Plantronics announces four new additions to its .Audio PC headset range, all priced under £40

Vodafone makes its Vodafone People social networking application available to Android users on any network

Nokia and Intel combine their Maemo and Moblin platforms for new Linux-based system, MeeGo, to work across variety of mobile and computer systems

Orange unveils cross-Europe data roaming tariff, for €2 per day for 2MB data, or €5 per day for 10MB data

The GSMA combines with 24 network operators and opens Mobile World Congress 2010 with a drive to establish a common standard for handset platforms, and to simplify a fragmented software market for developers