This article just made my Sunday. It was a great 25m read on cognitive development stages. It definitely wrapped up a lot of loose thoughts I'd had on the subj

This article just made my Sunday. It was a great 25m read on cognitive development stages. It definitely wrapped up a lot of loose thoughts I'd had on the subject. Would be very interesting to hear where HN'ers place themselves. I suspect the estimated 5% of the population that reaches Stage 5 would be well represented here. *edit - needed coffee, wording.