Twitter gives you 140 characters to say what you want to say.
“What hath God wrought?”
First message on the telegraph by Samuel Morse
22 characters long
“Mr. Watson, come here, I want to see you.”
First message on the telephone by Alexander Graham Bell
41 characters long
“That’s one small step for man, one giant leap for mankind.”
First message from the moon by Neil Armstrong
I wish I could be that profound in less than 140.