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i used something like this in unstructured technical interviews all the time.

"you type a phrase into google search, you press enter, get some results. tell me, in technical detail, what happened in that chain of actions"

the diversity of replies is fascinating, you learn a lot about a "full stack" candidate this way.

Feynman's classic "Why?" chain: https://www.youtube.com/watch?v=36GT2zI8lVA

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I'd probably spend at least 20 minutes just to get through how the keyboard works, much more if it's a USB-HID device.

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Hah - that is exactly what I did. Someone asked me this question and after 5 minutes in the weeds of the debounce on the mouse click they said "look all we wanted was to find out if you'd ever heard of DNS, let's move on, that was great".

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the good ones would usually follow up with, "how much detail do you _really_ want ;D"

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I always wanted to talk about our lord and savior (BGP) but so far no one took the bait!

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There is a chapter on why the sky is blue in The Feynman Lectures : https://www.feynmanlectures.caltech.edu/I_32.html

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