The UK mapping agency, the Ordnance Survey, has finally agreed to free up the vast majority of its data for public access. The OS OpenData service has launched after months of pressure from the Free Our Data campaign, started by the Guardian newspaper,...

The government has said that it will "explore ways" of making the Ordnance Survey's maps of the UK freely available on the web from April 2010. Gordon Brown announced the change at an event also attended by web pioneer Tim Berners-Lee who is now the...