In 1844, the first message was sent via telegraph. Samuel Morse tapped out, 'What hath God wrought?' The invention of the telegraph was a prophetic moment in communication history.
The ARPANET, developed by the Pentagon's ARPA in 1969, enabled different computers to communicate with each other for the first time through an Interface Message Processor (IMP).
Ray Tomlinson's creation of the first inter-computer messaging program, SNDMSG, in 1971, marked a significant milestone in allowing messages to be sent between distant locations using unique characters like '@'.
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