The layers of AI

What people call "AI" is six layers of ideas stacked on top of one another, each built on the one below — from hand-written rules in the 1950s to systems that now plan and act on their own. Knowing which layer someone means is most of the battle.

Newest at the top. Open a layer to see what sits inside it.

Terms marked from the glossary are taken from the show's own AI glossary; the rest are written for this page. Hear these ideas argued out on the show.