How to stifle innovation and entrepreneurship...
Easy. Call in the lawyers...
http://ernestmarples.com/blog/2009/10/ernest-marples-postcodes-has-been-threatened-by-the-royal-mail/ Especially sad given that only a couple of days ago data.hmg.gov.uk was launched, with the stated aims of "This site seeks to give a way into the wealth of government data. As highlighted by the Power of Information Taskforce, this means it needs to be:easy to find;
easy to licence; and
easy to re-use.
We are drawing on the expertise and wisdom of Sir Tim Berners-Lee and Professor Nigel Shadbolt to publish government data as RDF – enabling data to be linked together. " [from http://data.hmg.gov.uk/about]


