File:Evolving Propaganda.jpg

Summary
Comparison image of the World War II "Loose Lips Sink Ships" propaganda poster and the 2018 "Loose Tweets Sink Fleets" poster. Downloaded from Business Insider's article "https://www.businessinsider.com/royal-navy-updates-loose-lips-sink-ships-poster-to-be-about-twitter-2018-1 The Royal Navy updated a famous WWII propaganda poster to warn its sailors about tweeting]" (direct image link

The WWII image is Public Domain. The 2018 image is not; use of it is believed to be Fair Dealing with respect to copyright laws.