Are typewriters the answer to fighting digital snooping?
17 July 2014 Last updated at 10:48 BST
James Bond and Jason Bourne have given us an insight into the secretive world of espionage, but how much of what we see in those films takes place in real life?
With more revelations about American spying, politicians in Germany have admitted they have considered using typewriters for sensitive documents to avoid electronic eavesdropping.
Graham Satchell reports.