Around 10,000 glossy, collectors' edition programmes have been printed for the, The Wanted's 'The Code' arena tour, which begins in Nottingham today (February 15) with pages throughout the programme that include a cryptic 'b' where the band's adoring fans can unlock secret content by using the Blippar app, which can be downloaded for free to iPhones and high-spec Android devices.

The app recognises the image on the page and plays extra, 'augmented reality' content on the reader's smartphone screen.