[73] is a Morse code abbreviation for [Best Regards]. Commonly used by contemporary ham radio operators as an informal way to say goodbye. It originally stood for [My love to you]. In 1859 it was adopted as part of the 92 Code to help expedite transmissions by condensing common phrases into numbers.
Built on this heritage, 73F distills complex ideas into beautifully crafted narratives that are clear, concise, and resonate with modern audiences.