The Advanced Research Projects Agency Network (ARPANET) was an early packet switching network. Originally funded by the Advanced Research Projects Agency (ARPA) of the United States Department of Defense, it was the first network to implement the TCP/IP protocol suite.
Feynman accessed ARPANET using the IMP at the Augmentation Research Center at Stanford Research Institute (now SRI International). His activity includes "PLEASE SEND AN APE MANUAL TO PROF. R. P. FEYNMAN, PHYSICS DEPT. CALTECH, PASAS|SD|ENA, CALIF..." and "PLEASE MAKE RICHARD FEYNMAN A USER WITH INITIALS RPF", entering in twice his password "BAGELS." It seems that his requests were not successful, and his request to be made a user was denied. In the blank margin of the printout he made some notes, which read:
"1) Use language that is visible. 2) Evade info retrieval problem (by telling it what to remember) so as to concentrate on problem of how to put together what it knows."
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