Please note: This is a companion version & not the original book. Book Preview: #1 AI is used to describe a variety of things, depending on the context. When someone says they have an AI-powered chatbot, do they mean it has opinions and feelings like the fictional C-3PO. Or is it just an algorithm that learned to guess how humans will respond to a given phrase. #2 To spot an AI in the wild, it's important to understand the difference between machine learning algorithms and traditional rules-based programs. A machine learning algorithm discovers the rules for itself via trial and error, while a rules-based program requires you to know every step required to complete the program's task and how to describe each one of those steps. #3 The rules-based programming approach is similar to the knock-knock joke example. I would figure out all the rules for generating knock-knock jokes, and the computer would be able to generate new jokes by choosing a name-punchline pair from the list. #4 I gave an AI a set of existing knock-knock jokes and instructions that were essentially, Here are some jokes; try to make more of these. Then I left to get coffee. The AI got to work. It began by guessing a few letters of a few knock-knock jokes. It had learned some rules by the time I returned with my coffee

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