In old Nokia phones, the standard notification tone for an SMS (text message) was simply ‘M’ (for message) in Morse code. The “Special” tone when receiving an SMS was Morse code for “SMS”. – WTF Fun Facts
morse code
WTF Fun Fact – Swedish Singing Sailor
The Swedish Peace and Arbitration Society created a sign dubbed the Singing Sailor to keep the Russian submarines out of their border. It displays an animated sailor in underwear thrusting his hips while broadcasting in Morse code: “This way if you are gay.” – WTF Fun Facts
Source: https://www.bbc.com/news/blogs-news-from-elsewhere-32703331
WTF Fun Fact – Better Days Morse Code
In 2010, the Colombian army produced a song called ‘Better Days’ with Morse code embedded in the chorus and aired it in rebel-controlled territory to lift the morale of hostages. The message said “19 people rescued. You are next. Don’t lose hope.” – WTF Fun Facts
Source: https://www.theverge.com/2015/1/7/7483235/the-code-colombian-army-morsecode-hostages