I'm not answering your actual question, but... even if they have totally plateaued technically, there's still some more improvement left to be had from people learning how best to use them (and when not to).

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vrighter 4 hours ago | parent [-]

how can you learn to use a tool that keeps changing unpredictably?

	▲	AnimalMuppet 2 hours ago \| parent [-]
		Well, I was assuming that what you learned about driving generation X of a tool would be at least mostly applicable to driving generation X+1 of it. That may be false, at least for some values of X.