> “We succeeded in transmitting the ‘L’ … and the ‘O’ — and then the system crashed,” Kleinrock said. “Hence, the first message on the Internet was ‘LO’ — as in ‘Lo and behold!’ We didn’t plan it, but we couldn’t have come up with a better message: short and prophetic.”<p>I like to take this story one step further. After doing some work, the two tried again. And, of course, they tried to log in. So the first three letters typed across the internet were "LOL".