What is normal for Norfolk? The rural county regularly mocked by the likes of Jeremy Clarkson – “no part of the 20th century has caught up with Norfolk yet” – is setting out to break what it sees as outdated stereotypes and convince investors it is a vibrant centre of technology.

A £200,000 advertising campaign is being launched, aimed at attracting 5,000 high-value jobs and catching the attention of business leaders seeking to invest when Britain emerges from the recession.