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AI explained in parts.
Most people treat AI as one thing. This page breaks it into parts that matter. Read in order or skip to what you need.
How AI got here
Software that follows rules
How most software you have ever used works.
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Software that learns from examples
The pattern-finder behind spam filters and Netflix picks.
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How computers learn
The basic shape of how a computer can learn.
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How AI gets smart
What happens before you ever open the AI.
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What powers ChatGPT
The breakthrough that built modern AI, and why it feels different from older AI.
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How AI systems get built
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Everything you have seen AI do in the last two years is some mix of the things on this page. Once you see the parts, the magic turns into engineering.