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Right. That's my point: the *advancements* are "human computation" and "declarative/integrated viz" (big ideas), not "d3" and "captcha" (products/instances).
I think you can reasonably argue that declarative viz dates to the 1970s, with people like Borning et al. Heck, you can look at Sutherland much like that. Human computation in the sense of captcha - I'd be very surprised if there aren't much older examples too.
OK but that's a slippery slope. There are older examples of neural networks but I'd still stay they are the biggest advancement in ML in the last 20 years...
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