In 1956, NS&I introduced an exciting new way to save. Find out about the history of Premium Bonds, the magic of ERNIE and what Bletchley codebreakers of the 1940s have to do with winners of the 1950s. Interested in NS&I's heritage? Discover more on our NS&I Flickr page. Follow - https://www.flickr.com/photos/nsandi Other useful links: NS&I website - http://bit.ly/1hqVrLi Contact us - http://bit.ly/1hqVR4n We welcome comments on our videos. Please be mindful of our social media policy: http://bit.ly/nsandi-social-media-policy Credits: Images supplied by Getty and the Advertising Archives. Colossus image © Crown. Reproduced by kind permission, Director, GCHQ. Audio media supplied by Pond5.com, Freesound, Audio Network, Kippertie, iStock.com. Created by The Team for NS&I.