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As a engineer I can see how truly amazing feat that is. As a human being I'm staggered that it took so much effort into AI and machine learning to do so little.

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> so little

Nature took 85 million years to perfect the hand, and dexterous use takes 1-2 years of training for babies. Interpreting the hands of other takes longer.

Try drawing hands. (If you're a non-artist like myself.) It's impressively hard --- they are complex artefacts we can't quite see clearly because we are so used to them. There are a lot of, as it were, polygons.

If, after staring at these things for several decades, I still can't draw them with my eyes closed, I will assume that an AI would not find it easy to think about them either.

I think it’s the opposite problem. I can see an AI being able to very easily draw what it sees but struggle at interpreting it. When you learn to draw, one of the first step is relearning to see without interpretation. A better example is example is how kids draw stick figures so easily and how hard it is for computer to do so: for decades we had to put reflector interpreted as dots used to render vector... use to render stick figures

What a great point, thanks!

That's very good point. I would correct one thing, a baby can learn sign language (aka interpret other's hands gesture) by 4 to 6 months old.

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