Arpanet : The Internet as you know it today, and
through which you are accessing this information,
had its beginnings in the late 1960s as the
"ARPANET". Started by the U.S. Department of
Defense Advanced Research Projects Agency (now
DARPA), the entire network consisted of just four
computers linked together from different sites to
conduct research in wide-area networking. SRI,
then known as the Stanford Research Institute,
hosted one of the original four network nodes,
along with the University of California, Los Angeles
(UCLA), the University of California, Santa Barbara
(UCSB), and the University of Utah. The very first
transmission on the ARPANET, on 29th October
1969, was from UCLA to SRI.