For anyone looking for an actual answer: Telephones. That's how you sent data between machines back then.
this post was submitted on 27 Sep 2026
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Yep, sometimes point-to-point permanently switched connections.
Hell, I had to deal with some of these in the 90's for our clients to access our cell system (analog!)
Libraries were this wild place where you could go and do research. I know it’s hard to believe.
Highly repetitive & I've only just gotten to ARPANET in 1969. Slop?
EDIT: barely one section later, and it's definitely slop - no human would write this crappy.