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Watching the Generative AI Hype Bubble Deflate
(ash.harvard.edu)
This is a most excellent place for technology news and articles.
Did back propagation even exist in the 60s? That was a pretty fundamental change in what they do.
If we are arguing about really fundamental changes then arguably any neural network is the same and humans are the same as ChatGPT or a mouse, or even something simpler like a single layer perceptron.