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Welcome to the chat section of this course,

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and chat is kind of an odd name

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for the section, but that's what it's called.

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It's called chat completion.

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But chats are actually much more than chatbots

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where the name already is, because, of course,

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we can make chatbots where a human asks

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a question and an AI answers back.

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But chat, I put that in quotation marks,

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is also just something that can happen in

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a backend system on a schedule.

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So like every day at eight o'clock,

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go do these steps, often with some tools

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that we will cover in the next section.

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And send me an email.

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That is also technically a chat, but there's

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no human involved.

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Yes, the human is the receiver of the

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email, but the human didn't make it happen

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at that time at eight o'clock, other

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than setting up the initial schedule.

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And in the same manner, if you have

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things, events like webhooks and stuff like that,

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that can also be the initiator.

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So when a GitHub pull request is made

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by someone, the AI can make an AI

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review of that pull request without the user

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doing other than what they normally did, meaning

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making a pull request.

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And this is all over in this area

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begins to become what we call agents, where

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it is more that the system is more

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autonomous.

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It's not really autonomous over here.

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And I have had many discussions with other

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people about what agents are, because this is

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not an agent by itself, because at some

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point, someone wrote this message and chose this

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schedule.

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It was not the AI itself that chose

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this schedule.

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In the same manner, it was someone who

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set up the webhook here and made this

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happen.

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AI is just involved in a bigger scheme.

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And in the old days, behind the scenes,

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we used if and else statements to do

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things like this, and the same over here.

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And we still do.

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We just have now an AI component involved

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as well.

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And we suddenly call them agents.

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So chat is kind of a wrongly named

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referred nowadays.

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And it should just be more a request

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response to some kind of system, just like

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we can request the weather from a system,

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just like we can ask things about the

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order from a system using an API.

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We can just ask an AI about some

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little more undetermined, little more unstructured, little more

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non-deterministic in a way.

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So that is what I see when I

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see the word chat.

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It's not just a chatbot.