lo

"In today's excerpt - the first internet message, sent in 1969, was "lo." The meaning and efficacy of messages sent via the internet has been declining ever since:

"On October 29, 1969, the message 'lo' became the first ever to travel between two computers connected via the ARPANET, the computer network that would become the Internet.The truncated transmission traveled about 400 miles (643 kilometers) between the University of California, Los Angeles, and the Stanford Research Institute.The electronic dispatch was supposed to be the word "login," but only the first two letters were successfully sent before the system crashed. ..."

Ker Than, "The Internet Turns Forty," National
Geographic News, October 29, 2009

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