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So, I just wanted to give you a sense of
the what the end users experience of,

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using computation and communication in the
60s and the early 70s was.

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Like I said, this was a fun time.
If you can't communicate to people

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thousands of miles away, and all of a
sudden, this gadget on your desk allows

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you to do it even if it's gigantic and
even if it makes a lot of noise it's still

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impressive.
It's still changes how you view the

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universe, right.
The fact that your colleagues can be taken

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through this keyboard.
And your colleagues are on the other side

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of this keyboard.
That is a transformative notion even if

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the technology these days seems very
crude.

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And we went through a lot of hoops,
because computers were expensive, and

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rare, and had to be heavily shared to
justify that there costs.

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And so in the next lecture, we're going to
start seeing how we improved, how we could

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share equipment, and make the sharing not
require direct dial-up the way it was in

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the earliest days where you, if you wanted
to talk to a computer a thousand miles

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away, you had to pay for a long distance
call.

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So that we're looking at how to make
connections permanent so that we can use

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these things a little more naturally
without such great expense.

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So see you' in a bit.