Now Morse code is used largely in airplane navigational systems for identification purposes, says Paul F. Johnston, curator of maritime history at the National Museum of American History.

In order to communicate in Morse code (and learn it), you first need to download Google’s special Gboard keyboard from the App Store or Google Play.

Since the "Morse Code Telegraph Keyboard" plugs directly into your iPhone's keyboard, you can send dots and dashes from right within iMessage — or, for the daring, your favorite email app.

Rayark International's mobile title Cytus II has been removed from China due to a hidden Morse code tune. As reported by the BBC, the music-rhythm game was removed from the App Store in mainland China ...