In modern time, people have communicated by letter,telegraph and telephone.
But no one method has become as widespread as quickly as the use of email. The first email message took place in 1971,and according to its sender,Ray Tomlinson, it was probably the following:"QWERTYUIOP." What was significant about that?
Notjing,really. This is just the top row of keys on an English-language keyborad. Tomlinson was just testing our the system and using a nonsense message. He had no concept that he was going to start a revolution in communication.