http://www.guardian.co.uk/technology/2009/nov/17/ordnance-survey-maps-online
"The online maps would be free to all, including commercial users who,
previously, had to acquire expensive and restrictive licences at £5,000 per
usage, a fee many entrepreneurs felt was too high."
About time too.
Some interesting discussion of these developments happening on the OSM-talk
list (from what it seems, it's not fully free (as in speech), more like a
subset of the information with the possibility of more being made available
at a later date if the right people prod the OS enough ;)
