alt Hacker NewsI remember reading Theodore Roosevelt's biography by Edmund Morris and being shocked how he was basically able to text everyone he needed to be in contact with while president through the telegraph system.
I remember reading Theodore Roosevelt's biography by Edmund Morris and being shocked how he was basically able to text everyone he needed to be in contact with while president through the telegraph system.
Lincoln started that I believe during the civil war. https://www.history.com/articles/abraham-lincoln-telegraph-c...